Police estimate the number of dead following an explosion at a Texas fertiliser factory is between 5 and 15

At least 160 were injured.

Some people are in hospital suffering breathing problems after inhaling chemicals in the air.

Emergency services are still searching for survivors in nearby buildings that were badly damaged.

A high school's been opened for those trying to find loved ones.

William Swanton, from the Waco police force, has been updating reporters about the investigation.

Emergency services are still searching for survivors and hospitals are asking people to donate blood.

The cause of the fire is still unknown. Investigators say they are examining whether the blaze is the result of criminal activity or the result of a chemical reaction.

"I've never seen anything like this," McLennan County Sheriff Parnell McNamara said. "It looks like a war zone with all the debris."

Residents have been describing fire raining down from the sky after the explosion.

Toxic fumes were in the air and power was knocked out to the wider community. The explosion happened shortly after 8pm local time.