David Cameron said he believes in low taxes for businesses because he wants "Britain to be a winner in the global race" but said it was important to make sure companies pay what they should.
The Prime Minister spoke as he arrived at an European Union summit in Brussels.
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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.