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At least five people have been hurt in a suspected gas explosion at a flat.

A number of people suffered burn injuries in the blast on Hick Lane, Batley, West Yorkshire Police said.

One witness reported hearing a "massive bang" and said he saw people covered in blood fleeing from the building.

A police spokesman said no-one appeared to have suffered "life-threatening" injuries, and some local residents had been evacuated from their homes as a precaution.

West Yorkshire Fire Service said five people were hurt in the explosion in a two storey building, which is a block of converted flats.

A spokesperson said: "Firefighters are likely to be on the scene overnight and there are some concerns over the structural stability of the building."

"Investigations are continuing into the cause of the explosion."

One witness in a nearby building, who did not want to be named, told the BBC he heard "a massive bang".

"I've never heard anything like it," he said.

"I came rushing out to find glass everywhere, some even blew 300 yards.

"Then I saw two men exit the building covered in blood, smoking, obviously very shook up. It was like a war scene."

Resident, Mark Umpleby, tweeted a picture from the scene "hoping and praying everyone's OK".

Other users of social media, including Charlotte spoke of hearing the loudest bang.

Ch Insp Wayne Horner said: "I understand that this will have caused concern amongst the community; residents can be reassured that police along with our partners from the other emergency services are on scene dealing with the incident."

Yorkshire Ambulance Service confirmed the injured had been taken to Pinderfields Hospital in Wakefield.

Specialist staff from the service's Hazardous Area Response Team are also on site.