A Syrian teenage ISIS supporter who allegedly slit a man's throat at a German Holocaust memorial in February has gone on trial in Berlin today. The 19-year-old shouted 'Allahu akbar' as he attacked the Spanish tourist in what prosecutors say was a bid to wage a 'holy war against infidels'. The suspect, partially named as Wassim Al M, is accused of being a supporter of the Islamic State group who intended to 'target a person of the Jewish faith' through the attack, according to the court. Prosecutors say he approached the 30-year-old victim from behind among the concrete steles of...