This is a joint committee of members of the Business and Enterprise, Defence, Foreign Affairs and International Development Committees which, every year, scrutinises the government's annual report on the control of strategic exports, including weapons.

BBC: Week ahead

The Quadripartite Committee - comprising members of the defence, foreign affairs, international development and trade and industry select committees - is demanding the same powers of prior scrutiny afforded to their counterparts in the US and Sweden.

BBC: You are in: UK Politics

The committee is made up of members of the Business, Defence, Foreign Affairs and International Development Committees.

BBC: Debate on arms export controls

The group - foreign affairs and defence spokesman Menzies Campbell, chief whip Paul Tyler, campaigns chief Nick Harvey and social security select committee chairman Archy Kirkwood - are expected to back the same candidate.

BBC: News | UK Politics | Lib Dem contenders compete for MPs' support