Intense air strikes batter the city of Raqqa, under the control of Islamic State militants.<br/> <br />Activists say Syrian government forces launched a series of strikes on the city, killing at least seven civilians... five of which are said to be from the same family.<br/> <br />This video obtained by Reuters purports to show the aftermath, as stunned residents survey the destruction.... the second deadly assault by the Syrian army here this week.<br/> <br />Two days earlier, a Syrian monitoring says at least 63 people were killed when Syrian war planes struck Raqqa.<br/> <br />The air force has increased its strikes across Syria since the U.S.-led coalition began attacking Islamic State targets in the war-torn country.