Traffic of local trains from St. Petersburg's Baltic Station suspended due to a blast early on Tuesday, has been resumed, a local railway transportation company, Itar Tass reported. Railway traffic was suspended for five hours after an explosion hit a rail car near a railway station in the south of St. Petersburg. The railway traffic control service arranged traffic from other stations and the city's transportation administration arrange bus traffic to these stations. As was reported earlier, the accident occurred at 4:20 Moscow time. The blast yield was 200-400 grams TNT. The rail car operator's leg was slightly injured while the rail car remained on the track. The explosion damaged the track leaving a crater. Traffic of local trains from the Baltic Station was suspended. Investigation into the accident is underway.