RT News - May 18, 2014 (12:00 MSK)

Turkish police crackdown on protesters in Istanbul, as public fury intensifies over the government's response to a mine blast that killed more than 300; Angela Merkel gets heckled at a campaign event in Berlin as people express anger at their government's stance on Ukraine - calling for efforts to stop Nazis thriving in post-coup Kiev; plus, America's army chief warns that the Syrian rebels are not fit for power - even as Washington renews its push for regime change in Damascus.