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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Portman was due to receive the award in Israel in June and said that her reasons for skipping the ceremony were solely due to Mr Netanyahu.
Analysis of Department for Work and Pensions data found the average man receives £153.86 a week and the average woman receives £125.98.
The country says it is making the move to shift its national focus and improve its economy.