The British government will move toward participating in Syrian airstrikes if there is a political consensus to do so, a senior minister said Sunday, the latest sign of building momentum within the U.K. to step up military action. George Osborne, U.K. Treasury chief and close political ally of Prime Minister David Cameron , said the West hadn’t done enough to contain Islamic State militants that control territory in Syria and Iraq. Speaking in an interview with the British Broadcasting Corporation, Mr. Osborne said Mr. Cameron’s government would seek parliamentary approval to extend the U.K.’s current involvement in Iraq airstrikes to Syria. The prime minister and other senior government ministers believe “there is a strong case” for doing so, but that there needs to be support for the move from parliament, Mr. Osborne said. It comes days after Mr. Cameron said Britain would take “thousands” of Syrian refugees , which […]