An unexploded World War II-era bomb exploded on a taxiway at Miyazaki Airport in southwestern Japan on Wednesday morning, forcing the closure of its runway, although no injuries were reported, authorities said.Video footage from the Civil Aviation College, which uses the airport as a pilot training base, showed a black cloud of dust and debris shooting up from the ground just two minutes after an aircraft passed nearby.The transport ministry said its officials found a hole with a diameter of 7 meters and a depth of 1 meter on the taxiway after an explosion was heard around 8 a.m. The Japan …READ FULL ARTICLE