Peter Robinson and Jim Allister row over land remarks
23 September 2013 Last updated at 18:51 BST
There have been angry exchanges in the assembly chamber between First Minister Peter Robinson and Traditional Unionist Voice leader Jim Allister.
Mr Allister was questioning Mr Robinson about what he termed the DUP's "u-turn" on the Maze peace centre.
BBC Northern Ireland political editor Mark Devenport reports.