Russia on alert after second deadly suicide bombing
At least 14 people were killed Monday when a suicide bomber blew himself up on a packed trolleybus in Volgograd, raising new concerns about security at the Sochi Olympics a day after an attack on the Russian city's train station. Duration: 01:10
At least 14 people were killed Monday when a suicide bomber blew himself up on a packed trolleybus in Volgograd, raising new concerns about security at the Sochi Olympics a day after an attack on the Russian city's train station. Duration: 01:10
