A man waiting for a tram in central Prague was killed on Thursday when part of a building collapsed on him during a storm. He was struck by debris from the façade of the building. The emergency services fought in vain to save his life, but he died at the scene of the accident, a spokeswoman told the CTK news agency. The identity of the dead man is not yet known, the police said. The precise reason for the partial collapse of the façade is still being investigated, but a violent storm with heavy rain was raging in Prague at the time of the accident. The fire brigade said in the afternoon that i…