New legislation to tackle the legacy of the Troubles would result in a "whitewash", a victims' campaigner has said.
The Government has abandoned plans for automatic immunity for people involved in the 30-year conflict in Northern Ireland, which resulted in more than 3,500 deaths.
The move, which would have effectively ended prosecutions for Troubles-era crimes, triggered a backlash from political parties in Northern Ireland.
Ministers have now brought forward plans for a conditional amnesty based on people's cooperation with a new independent commission on reconciliation.
The new body aims to help families get answers on unsolved killings and injuries from the Troubles and produce a historical record of the conflict.
Proposals contained in the Northern Ireland Troubles (Legacy and Reconciliation) Bill leave open the route of prosecution if individuals are not deemed to have earned their immunity.
But Raymond McCord, whose son was killed by loyalists, described government proposals for dealing with the past as "disgusting".
He said the "clear message to victims was to f*** off".
"It's disgusting ... Brandon Lewis says it'll bring reconciliation, I don't want to be reconciled with the murderers of my son, and neither does anyone in my family," he told PA.
"Throwing litter in the street will be a bigger crime than mass murder ... this whitewash of all these murders, to turn around and say it'll bring reconciliation ... I'm from the unionist community, I don't need this to reconcile me with someone from the nationalist community because they are my friends.
"They were never my enemy. The proposals are unworkable and they (government) know it, and I will do everything in my power to stop these going through Parliament."
It is understood victims' campaigners are considered mounting a legal challenge to the legislation, which was published on Tuesday.
Northern Ireland Secretary Brandon Lewis said it was "very difficult area" but the current system "isn't working for people".
Mr Lewis told the BBC : "One of the challenges is the current system isn't working for people. That's very clear.
"People shouldn't be taking 50 years to get information - we want to resolve those issues."
Sinn Fein's Michelle O'Neill accused the Government attempts to "close down any investigation into British state policy in Northern Ireland over the last 50 years".
"In effect, they're like pouring concrete over Britain's role in the conflict," she said.
Taoiseach Micheal Martin urged the British Government not to impose the plans without agreement from victims.
"It has been our consistent position that the basis for progress on legacy is the Stormont House Agreement that was reached between the two governments and political parties back in 2014," he said.
"Any attempt to depart from that agreement would need to be discussed by both governments and with all of the parties in an inclusive process.
"And there would need to be serious and credible engagement with victims and families."
More than 3,500 people were killed during the Troubles, including over 1,000 members of the security forces.
Most of the deaths are attributed to republican paramilitaries while 30% are blamed on loyalist paramilitaries, and 10% attributed to the security forces.
