More than 200 Orange Order members gathered at the gates of Hillsborough Castle in Co Down last night to protest against the recent spate of arson attacks on Orange halls.
A letter was handed in to Northern Secretary Shaun Woodward, accusing the PSNI and the British government of not doing enough to stop the problem.
More than 30 such arson attacks have taken place since July, and an Orange Order spokesman said police were not treating the incidents seriously.
The order said the government's response has led it to doubt what practical benefits the St Andrew's Agreement and the subsequent establishment of a devolved Assembly have brought.
The order claimed there would be an entirely different response from government if GAA halls had been similarly targeted.
Yesterday, Sinn Féin president Gerry Adams condemned the attacks, saying they were motivated by sectarianism and he called for them to end.
The First Minister and DUP leader, Ian Paisley, visited one of the damaged halls and held discussions with Security Minister Paul Goggins.
He said he was extremely concerned by the spate of attacks, which he described as a blatant display of sectarian hatred against the heart of a community.
Mr Paisley said those behind the attacks were individuals intent on stirring up sectarian division.
He said the Northern Ireland office needed to deal with the matter urgently and to streamline the compensation process.
Yesterday, Sinn Féin condemned attacks against Orange halls as sectarian.
