London, Rabi'II 25, 1437, February 04, 2016, SPA --British Prime Minister David Cameron has pledged to double the financial aid to be provided by his country for Syrian refugees over the next year, thereby, bringing to $ 2 billion the total of British aid. In a speech during the opening of the donors' conference for Syria held today in London, Cameron vowed that his country would allocate £ 510 million during the current year to support the United Nations efforts towards Syrian refugees as well as his country's commitment to pay £ 280 million for at least the coming three years. --SPA 17:42 LOCAL TIME 14:42 GMT www.spa.gov.sa/w