Death toll from explosions at a Russian mine is 52 . 5 are still missing following Saturday morning . 359 people were trapped in mine near town of Mezhdurechensk . At least 18 mine workers died in a second blast .
Death toll from explosions at a Russian mine reaches 52 . 38 people still missing following Saturday explosions . 359 people were working in mine near town of Mezhdurechensk . At least 18 rescue workers died in a second blast .