It is understood Denis MacShane formally applied for the post of Crown Steward and Bailiff of the Chiltern Hundreds tonight - the traditional way of resigning from the Commons as there is no way for MPs to resign.
Chancellor George Osborne is expected to confirm his appointment tomorrow, at which point he will cease being an MP.
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It will be increasingly humid and thundery with highs of 30C or more today.
Holidaymakers in Tunisia are determined not to be beaten. But, as Neil Connery writes, it won't be easy to escape the shock of the massacre.
Drink lots of water, stay out of the sun during the middle of the day, and take particular care of vulnerable people.