Explosion In Japan Leaves 42 Injured

At least 42 people are injured after an explosion near a restaurant in the northern Japanese city of Sapporo. 

A fire that followed reportedly led to a building collapse. The wounded were rushed to a hospital, and one person reportedly had serious injuries. 

The cause of the explosion is under investigation. A witness told a Japanese public broadcaster they smelled gas in the area.

First responders warned residents in the area of a possible second explosion.

Additional reporting from Newsy affiliate CNN