Two cruise ships collided Friday in the Adriatic Sea near the Croatian tourist town of Dubrovnik, but no one was injured, media reported, according to dpa. "Two cruisers collided in the old town harbour. One of them had to make a full circle around the isle of Locrum before returning for the passengers waiting in boats, "an eye witness told the Croatian daily 24Sata. According to the first assessments, the damage was minimal and the accident occurred when cruiser Poesia's anchor loosened and caused her to hit cruiser Costa Classica.