Four persons, including two children, were killed when a LPG cylinder exploded at a house in Chennai, resulting in a wall collapse.

Among the victims were a four year-old girl and a seven year-old boy, police said.

The incident happened on Thursday morning when the victims, living adjacent to the house where the cylinder blast was reported, were killed after a portion of the wall collapsed under the impact of the blast, police said.

Two of the victims were father-son duo, they added.

At least four more persons were injured and had been admitted to a hospital, police added.

More In: Chennai