A boat carrying dozens of migrants has capsized around 50 kilometres south of the Greek island of Crete, according to the Greek coastguard. The coastguard said 42 people were rescued by a helicopter, a freighter and patrol boats. At least three people are missing. The search continued on Thursday, it said. The boat is believed to have set off from Libya or Egypt, according to coastguard sources, and is thought to have been on its way to Italy. The Greek news agency ANA reported that the Italian coastguard had been alerted before the boat capsized. They then informed the Greek authorities, who …