ATHENS, Dec 30 (Reuters) - A strong explosion damaged eight cars outside a court building in the Greek capital on Thursday but caused no injuries, police said.

The device was placed on a motorbike parked outside the Athens court. Police had evacuated the area after a warning call to a TV station. There was no claim of responsibility.

“The explosive device damaged cars and windows,” said the police official, who did not want to be named. (Reporting by George Georgiopoulos)