Maternity hospital explosion in Mexico leaves 3 dead, more than 50 injured

An explosion at a children's hospital in Mexico City has left three dead and more than 20 infants injured, and the building on the verge of collapse with some people reported to be trapped inside.

Emergency officials said a natural gas delivery truck crashed into the Cuajimalpa Maternal Hospital and exploded, damaging almost a third of the hospital.

The city's mayor Miguel Angel Mancera said three adults, one man and two women, were killed and at least eight people were seriously injured.

He clarified that a truck that apparently was supplying gas to the hospital, which is located on the southwest outskirts of Mexico City, when a hose burst and the resulting leak caused an explosion.

At least eight people were seriously injured, he confirmed, but the number trapped inside was unknown. Sniffer dogs were being used around the collapsed area to locate potential victims.

Many others were being treated for cuts from flying glass after the blast, Mancera said.

Earlier reports said the blast occurred inside the hospital.