Dingle Oceanworld is looking after the turtle and director Kevin Flannery said it was very rare for such a small turtle to be found alive after crossing the Atlantic from Florida

Police have said they found no evidence of a malicious act but the cause of the spectacular collapse shortly before 6am on Friday, in which two people were slightly injured, remains unclear.

Berlin’s fire service said two people were slightly injured. Rescue dogs were searching the building for anyone who might be trapped under debris, they said.

Police spokesman Martin Stralau said at least one person was lightly injured.