MPs have been taking to Twitter to react to Andrew Mitchell's resignation as Chief Whip.
Stephen Mosley is a Conservative MP:
Sad to hear Chief Whip has resigned esp since he was such a great Int Dev Minister, but I think he has done the right thing for the Party.From @mp4chester on Twitter:
John Woodcock is a shadow transport minister:
Manner of Mitchell resignation underlines how weak PM and Chx have become. Wonder if conference speech enough to stave off internal unrest.From @JWoodcockMP on Twitter: