David Cameron has opened his speech at the Conservative Spring Forum by saying that his party came to power in "perilous" times and that it was "wrestling with historic debts".
He added: "We are here to fight, we are here to win and we have never been more up to the task of turning our country around."
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Although Israel was widely believed to have been behind the airstrike on September 6, it has never before commented publicly on it.
Top temperatures of 12 Celsius (54 F).
Sarah Sanders, the White House spokeswoman, acknowledged that the attack wasn’t even mentioned in the phone call.