The inquiry found Mr Williams had persuaded his former cabinet member to pretend he was resigning on health grounds, when in fact it was due to a disagreement in policy.

BBC: Richard Williams

At 11.00 am Labour's former cabinet minister Hazel Blears leads a debate on the mental health of veterans and at 12.30 the Conservative MP Caroline Dinenage opens a debate on the proposal for an Arctic Convoy Veterans Medal.

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The cabinet sent a letter to parliament on Monday saying the emir had "lost his health capability to exercise his constitutional prerogatives".

BBC: NEWS | Middle East | Ailing Kuwait ruler ousted by MPs

Two days later the Ministry of Health gave its first news conference on the crisis and the cabinet declared a national food-safety emergency.

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This is seen as one of the most important Cabinet posts in the new administration, given the prominence Obama put on the need for affordable health care for the millions of uninsured Americans during his campaign.

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Constitutionally, parliament can remove an emir on health grounds with a two-thirds majority, after it has been asked to by the cabinet.

BBC: NEWS | Middle East | Ailing Kuwait ruler ousted by MPs

Yet David Cameron has twice recently passed up the chance to fire his health secretary when first Liam Fox's and then Chris Huhne's resignations forced cabinet changes on him.

BBC: Cameron stands by Lansley