MPs have started debating whether the Culture Secretary's handling of News Corporation's BSkyB takeover bid should be investigated.

The motion's been brought by Labour - but Nick Clegg's told the Lib Dems to abstain.

At Prime Minister's Questions - David Cameron has defended not referring Jeremy Hunt to an independent advisor - saying the situation is different to that of Conservative co-chairman Baroness Warsi, who has been over claims that she failed to register relevant business interests: