Washington, Rajab 27, 1439, Apr 13, 2018, SPA -- President Donald Trump announced that the United States has kicked off a combined operation with France and the United Kingdom is underway in Syria in response to chemical weapons assault in Douma. Witnesses quoted news agencies as saying that huge blasts were heard in Damascus. --SPA 04:45 LOCAL TIME 01:45 GMT www.spa.gov.sa/w667440