The group chief executive of G4S, Nick Buckles, remains in his post on Friday after two directors quit in the wake of a review into the company's Olympic Games contract.
G4S's chief operating officer David Taylor-Smith and global events specialist Ian Horseman Sewell have quit.
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Half of those killed or maimed in the last 72 hours of intense bombardments in Aleppo have been children.
Astronomers said: "Europa’s ocean is considered to be one of the most promising places that could potentially harbor life".
The rain will ease in the west tonight, but the cloud cover will remain across much of England, Wales and N. Ireland.