Explosion kills schoolchildren in Tanzania

At least six children have been killed and more than 20 others injured in an explosion at a primary school near Tanzania's border with Burundi, witnesses say. 

The pupils apparently died when an object they were playing with exploded at the school, in Kihinga village. 

Hospital doctor Maria Goreth Fredricks said 25 people had been admitted for treatment, and three children had since died.

Three other children died on the spot, witnesses said, but there has been no confirmation of this from official sources. 

Detectives have been dispatched to the school to investigate, Kagera regional police commander Augustine Orome said.