NICK Clegg, the leader of the Liberal Democrats, led a walk-out from the Commons last night, after one of his MPs was ordered out of the chamber.
The party's MPs filed out of the chamber after Ed Davey, the Lib Dems' foreign affairs spokesman, was banned from the Commons for the rest of the day following angry exchanges with Sir Michael Lord, the deputy speaker.
Mr Davey repeatedly prot-ested about his party's proposals for a referendum on the UK's EU membership not being selected for debate and vote. Sir Michael warned Mr Davey about his conduct, then asked him to leave.
Jo Swinson, the party's foreign affairs spokeswoman, was the only Lib Dem to remain.
Mr Clegg later said: "To allow a vote on a restrictive treaty referendum but deny one on the real issue of our membership of the EU is absurd."
William Hague, the shadow foreign secretary, branded the walkout a "tantrum".