Portugal’s prime minister, Luís Montenegro, has promised a swift and thorough investigation to determine the causes of the funicular railway crash in Lisbon that killed 16 people and injured 21 others, describing the incident as “one of the biggest tragedies in our recent history”. The authorities are looking into the crash, which happened on the Portuguese capital’s famous Glória funicular just after 6pm on Wednesday. The Portuguese authorities suspended Lisbon’s other funiculars for safety checks after the derailment. 1:22 Aerial footage shows wreckage of Lisbon funicular crash – videoFootage showed the wreckage of the yellow-and-white car lying on its side in the narrow street it ran along. View image in fullscreen Lisbon’s Glória funicular tram before the crash.