Breaking: See updates at Aljazeera, second device de activated. https://www.aljazeera.com/news/2017/04/blast-hits-st-petersburg-metro-carriage-170403120753707.html   Ten people were killed and more than 20 were injured when an explosion tore through a train carriage in a St. Petersburg metro tunnel on Monday in what authorities called a probable terrorist attack Russian news media reported that […]