Hundreds of US Marines have arrived in Syria to establish an outpost in support of the operation to retake the city of Raqqa, the de-facto Islamic State (IS, formerly ISISISIL) capital in the country, the US-led coalition confirmed on Thursday. READ MORE: br RT LIVE br Subscribe to RT! br Like us on Facebook Follow us on Twitter Follow us on Instagram Follow us on Google+ Listen to us on Soundcloud: br RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios. RT is the first news channel to break the 1 billion YouTube views benchmark.