At least 13 people, including six children, have been killed in a raid by US forces in Syria's rebel-held Idlib province. The overnight raid targeted a building in Atmeh, a densely populated town in northwest Syria near the Turkish border, where tens of thousands of people displaced by the country's decade-long war live.<br />'' <br />''The Britain-based monitor Syrian Observatory for Human Rights said, US helicopters landed in a village where the US-led coalition troops attacked a house and clashed with fighters in rebel-held Idlib.<br />'' <br />''<span style="color: #222222;">Meanwhile, The Pentagon did not give any details about the raid, but said the mission was successful.</span><br />