A proposed deal to resolve the Drumcree parading dispute is "not acceptable", a DUP MP has said.
Carla Lockhart's assessment came after a representative of the Garvaghy Road residents said they would accept a document setting out a resolution if the Orange Order also did so.
Breandán Mac Cionnaith was speaking following a meeting with British Secretary of State for Northern Ireland Chris Bryant at Hillsborough Castle.
Mr Bryant has been trying to strike a compromise deal between the two sides of the standoff.
Mr Mac Cionnaith said: "Obviously I can’t divulge what is in it but if it’s accepted by the Orange Order, it will be accepted by us."
Portadown Orange Order district master Nigel Dawson declined to comment on the paper as he left the castle this evening.
However, Ms Lockhart, who spoke at a loyalist rally in Portadown in support of the Orangemen later in the evening, voiced opposition to the proposal.
The Upper Bann MP said: "I can assure you, you’ll hear more from the Orange Order - but what’s on the table is not acceptable."
She later added: "There’ll be no capitulation on the part of the Portadown district.
"They will not accept a deal where they walk away."
Loyalist activist Jamie Bryson, who is legal adviser to the Portadown Orangemen, also pushed back on suggestions an agreement between the two sides was close, insisting the loyal order members are "not doing any deal".
"We have been engaged in a talks process with the Secretary of State and the Government, that is true," he told the same rally.
"What is absolutely not true is the Portadown District are not doing any deal, there is no document on the table.
"And Portadown District would not be doing any deal which doesn't deliver on the fundamental legal principle and the fundamental legal principle is this – that the Portadown District will walk the Garvaghy Road."
Both the Orange Order and representatives of the Garvaghy Road residents met separately with the British Secretary of State for Northern Ireland Chris Bryant today.
Breandán Mac Cionnaith, from the Garvaghy Road Residents Coalition, spent almost seven hours in Hillsborough Castle for a meeting with Mr Bryant.
Upon his departure from Hillsborough this afternoon, he said that the residents received a document from Mr Bryant and that they would accept the proposals if they were accepted by the Orange Order.
"The document from the Secretary of State, we've went through it this afternoon. Obviously I can't divulge what is in it but if it's accepted by the Orange Order, it will be accepted by us," he said, stressing: "if it is accepted by the Orange Order".
Speaking following a meeting with Garvaghy Road residents this evening, Mr Mac Cionnaith declined to give details of the proposal but said that the community discussed it at the meeting.
Breandán Mac Cionnaith declines to give details of proposal
"We talked about that proposal, because I want to make sure that people are happy about with what I'm doing on their behalf and the other members of the coalition are doing on their behalf.
"So you know, we have always reported back to the community.
"That's nothing new and because it's a confidential document, I'm not going to discuss it out here," Mr Mac Cionnaith said.
Mr Mac Cionnaith said earlier that he was open to meeting PSNI Chief Constable Jon Boutcher.
Sinn Féin attempting to collapse power-sharing - Robinson
Separately, DUP leader Gavin Robinson has claimed that Sinn Féin is attempting to collapse power-sharing at Stormont.
Speaking after a meeting with the PSNI Chief Constable, and while not ruling out his party withdrawing from Stormont, Mr Robinson said: "Unionism is being goaded by Sinn Féin to pull down power-sharing and to ruin the institutions.
"A victory for Sinn Féin is to see a collapse where they can blame unionists, and I'm not a fool. We are not fools.
"The pressure should be on them because, in my view, they've given up. They've given up, but they want to blame unionists," Mr Robinson said.
"If they have no commitment to making Northern Ireland work, then they can walk away but for as long as we have the ability to stand up for our people, and until we decide otherwise, we won't be goaded into giving them what they want."
Earlier, Sinn Féin leader Mary Lou McDonald and Northern Ireland's First Minister Michelle O'Neill met protesters on the Garvaghy Road in Portadown.
Ms O'Neill and Ms McDonald both said they stand over their choice to participate in a protest on the Garvaghy Road in Portadown that police have described as unlawful.
"I accept that I made a choice, a choice to stand with the residents of the Garvaghy Road," Ms O'Neill said.
"It is a choice I will continue to make.
"This is very clearly a community which feels under siege, a community that has been put in reverse and retraumatised in terms of what happened 28 years ago.
"This was an issue that was resolved."
Sinn Féin leader Mary Lou McDonald said the prospect of a conviction for blocking the Garvaghy Road was a consequence of the choice that she and Ms O'Neill had made.
She said she was convinced it had been the right choice and criticised the tone of the PSNI Chief Constable's statement.
"I can tell you that the resistance here on the Garvaghy Road has been united, has been gracious, has been dignified, and has been determined. There's no mob here," Ms McDonald said.
"There is here a community that is very, very clear that they wish to live in peace, that they will not suffer sectarian intimidation, harassment, or thuggery.
"They have been crystal clear on that."
UUP leader Jon Burrows said he told PSNI Chief Constable Jon Boutcher there needed to be "swift and visible" justice for Sinn Féin members who attended the unlawful parade on the Garvaghy Road.
Bryant says talks 'very frank' and resolution 'tantalisingly close'
British Secretary for Northern Ireland Chris Bryant has described the talks over the Drumcree standoff as "warm, open and honest" and said everybody is being "very frank".
Talking to journalists at Hillsborough before he left for London, Chris Bryant said: "I personally and everybody in my team is working flat out to try and get to a successful resolution, and I think that is tantalisingly close if everybody can just go that extra mile."
Asked if he was indulging in wishful thinking by saying a deal is "tantalisingly close", he said he is a wishful person and everyone has to wish for a resolution.
"The process is nowhere near dead; it's very much alive, and we're pursuing all sorts of different elements. Mediation was one part of that," he said.
"At the moment, I'm doing quite the chunk of mediation."
'Large-scale' criminal investigation under way - Boutcher
Meanwhile, PSNI Chief Constable Jon Boutcher said "mob rule must not be allowed to win" as the standoff over a contentious Orange Order march at Drumcree continues.
Mr Boutcher released a statement after a number of meetings were held around the Drumcree standoff in Co Armagh. Mr Boutcher was not present for those meetings.
He said people shouting at him "has absolutely no effect" on his judgment, adding that the PSNI has "once again become the shock absorber of our society".
"My officers and our mutual aid colleagues have and will continue to police Drumcree and our communities independently and impartially. The principal objective in achieving the Parades Commission determination is to do so peacefully.
His statement came after senior Orangemen said Mr Boutcher must "apply the law" in relation to the Parade Commission's decision.
Mr Boutcher said: "To be clear, the upholding of the Parades Commission determination does not come at any cost. The outstanding officers of the PSNI and our mutual aid colleagues will not allow society to implode into violent disorder and mob rule must not be allowed to win.
Mr Boutcher said a "large-scale criminal investigation is under way regarding an unlawful protest on the Garvaghy Road".
"I have given a clear direction regarding prioritising the evidence gathering and a criminal justice process. We all need to focus our efforts on resolving this situation once and for all. I will not be part of this society moving backwards."
PSNI must apply law and allow Drumcree march - Orangemen
A senior Orangeman has said that Northern Ireland Secretary Chris Bryant has been left in "no doubt" that their parade in Portadown must be allowed to proceed.
Portadown District Master Nigel Dawson was speaking as he left talks at Hillsborough Castle over the Drumcree parading dispute.
He said: "We have just concluded another meeting with the Secretary of State. Obviously the contents of these meetings remain confidential.
"However, the Secretary of State has been left in no doubt that our continued position is that he must, and the Chief Constable must, apply the law in relation to the positive determination issued by the Parades Commission and reinforced by the High Court."
Mr Bryant has been hosting delegations from the Orange Order and Garvaghy Road residents at Hillsborough Castle in Co Down.
Orangemen have been waiting since Sunday to take part in their parade down the mainly nationalist Garvaghy Road in Portadown.
They have tried on several occasions to begin the parade, but have been prevented by police.
The PSNI has said a protest in opposition to the parade on the Garvaghy Road is unlawful but that using force to move protesters risked people getting "seriously hurt".
The dispute is now set to return to the courts, with lawyers for the Garvaghy Road residents having launched a fresh legal bid to try to prevent the controversial Drumcree march from going ahead.
Their latest legal challenge, which argues that the Parades Commission "materially misdirected itself" on the police assessment of the potential for disorder, is set to be heard on Friday.
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