According to official figures, at least 20 people have died in an explosion at a train station in Pakistan's troubled Baluchistan province. More than 30 others were injured, many seriously, officials said. The explosion occurred at around 8:45 a.m. (local time, 04:45 CET) in the provincial capital Quetta while passengers were waiting on the platform. It was said that a suicide bomber was probably responsible for the explosion in the busy train station in Quetta.