Three people from Yemen, whose relatives were killed in such an attack back in 2012 are now trying to sue. But Germany and not the US They say the country bears responsibility for the deaths. RT’s Lizzie Phelan reports from outside the court house in Cologne.br 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.