Unexpected blast at Miyazaki airport makes crater in taxiway and leads to grounding of 80 flights but no injuries

A US bomb from the second world war that had been buried at a Japanese airport has exploded, causing a large crater in a taxiway and the cancellation of more than 80 flights but no injuries, Japanese officials said.

Land and transport ministry officials said there were no aircraft nearby when the bomb exploded at Miyazaki airport in south-western Japan on Wednesday.