A woman was killed and at least 14 people were injured in two "low-intensity" explosions that took place on Guwahati-Bangalore Express at Chennai Central railway station on Thursday. Cops and security officials stand near a passenger train in which two explosions occurred, at Chennai railway station.(Reuters photo) Bomb detection and disposal squad personnel search cargo for explosives on the platform of Bangalore railway station after twin explosions killed one and injured several in Chennai....