Four people were killed on Thursday in a plane crash on Croatia’s northern Adriatic coast, police said.“According to currently available information four people have died” in the crash of the plane in Medulin, on Croatia’s northwestern Istria peninsula, a police statement said.The accident occurred in the Campanoz area, outside the town, and “all emergency services are on the scene”, it added.The national firefighting association said it had received a report of the crash near the Medulin...