Three hurt in suspected drug house blast

THREE people are in hospital with serious burns after a suspected clandestine drug lab explosion at a house in Perth's north.

Police, firefighters and ambulance officers went to the Balga property at around 2.25am (WST) today after a neighbour reported a loud blast, flames and screaming.

Two men, aged 34 and 37, have been taken to Royal Perth Hospital (RPH), the younger man with extensive burns to his body.

A 43-year-old woman with serious burns later presented at Joondalup Hospital and was transferred to RPH.

Police said a number of people were seen running from the house and driving off in a car.

Items associated with the manufacture of methylamphetamine were found in the house.

Police said a number of people were seen running from the property trying to escape the flames in the house. They got into a vehicle and drive away.

A 37-year-old man who lived at the house and a 34-year-old man from Baldivis were taken to Royal Perth Hospital by ambulance.

A 43-year-old woman presented herself at Joondalup Hospital but was transferred to Royal Perth Hospital. She and the 34-year-old man have serious burns.

The organised crime squad is examining the property after a number of items associated with the manufacture of methamphetamine were found inside the house, according to police.