Explosion at fireworks factory in rural Thailand kills about 20 people

Thai police officers inspect the site of an explosion at a fireworks factory in Suphan Buri province, Thailand (Sakchai Lalit/AP)

An explosion at a fireworks factory in central Thailand killed about 20 people on Wednesday, according to provincial officials.

The information office of the Suphan Buri provincial government initially announced that 23 people had been killed in the mid-afternoon blast, but on Wednesday night revised its figure to 19 dead and three missing.