Four injured after building explosion in Tokyo

The explosion happened at a building in Tokyo’s commercial district of Shimbashi (Eugene Hoshiko/AP)

An explosion at a building in Tokyo’s Shimbashi commercial district shattered windows and spewed smoke, injuring four people, officials said.

The Tokyo Fire Department said the explosion occurred at a restaurant on the second floor of an eight-storey building, injuring two people inside and two pedestrians who were hit by shards of glass.