Watch Spain derailment rescue operations (in pics)

Madrid, July 26: A passenger train derailed Wednesday night on a curvy stretch of track in northwestern Spain, killing at least 77 people caught inside toppled cars and injuring more than 140 in the country's worst rail accident in decades, officials said. Bodies were covered in blankets next to the tracks and rescue workers tried to get trapped people out of the train's cars, with smoke billowing from some of the wreckage. Watch in pics the rescue operations Emergency personnel respond to the scene of a train derailment in Santiago de CompostelaScene of a train derailment A man is evacuated by emergency personnel at the scene of a train derailmentDozens were feared dead, with possibly even more injuredIt was Spain's deadliest train accident since 1972King Juan Carlos and Prime Minister Mariano Rajoy both offered their condolences to the victims in Santiago de CompostelaA woman is evacuated by emergency personnel Officials said they believed the crash was an accident but declined to offer more details, saying an investigation was under way into the causeSome passengers were pulled out of broken windowsWomen react as relatives of victims of a train accident wait for news while gathering at an area where information will be released in Santiago de CompostelaThe death toll in a passenger train crash in northwestern Spain rose to 77 Rail personnel and firefighters inspect derailed cars at the site of a train accidentState-owned train operator Renfe said in a statement that 218 passengers and an unspecified number of staff were on train