RT News - November 23, 2014 (17:00 MSK)

In the wake of the deadly synagogue attack in Jerusalem - where four rabbies and a policeman were killed by two Palestinians - we look at whether tensions are reaching a point of no return. Relatives of an American journalist killed in Turkey last month struggle to break the wall of silence over the reporters' mysterious death. Marathon talks over Iran's nuclear deal are underway in Vienna. If resolved - we could see the long-standing sanctions on the country lifted - but progress is proving elusive as the deadline draws near.