Four people were killed and 30 injured after a train derailed in central Poland on Friday, local media reported. The train, which belongs to the PKP state rail company Intercity, was traveling from Warsaw to the southern city of Katowice when it derailed Friday afternoon in the vicinity of Piotrkow Trybunalski in central Poland. One of the four derailed carriages fell out of the rails and overturned. About 280 passengers were believed to be on board the train, Polish PKP railways spokesman Lukasz Kurpiewski told TVN24. A rescue operation carried out by medical emergency services, police and fire brigades is underway, according to the police.