A man has died in a major house fire in Cleveleys.
Emergency services were called to Beach Avenue at around 3pm today to reports he was trapped inside, and as neighbours were trying to rescue him.
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Nearby roads were taped off by police as six firefighters wearing breathing masks and oxygen tanks searched the home and brought the man out.
Paramedics were seen giving him CPR in a desperate bid to save his life but, in a statement, Lancashire Police said he was pronounced dead shortly after.
There were reports of loud bangs at the home, with several windows blown out, but they were being treated as 'incidental' by firefighters, The Gazette understands.
The cause of the fire remains unknown, police added, with officers 'in liaison with our colleagues at the fire service to establish whether it was suspicious'.
Witnesses described seeing the air ambulance helicopter in Cleveleys at around the time of the fire. It was pictured on the bowling green at the Park Club in West Drive.
Four fire engines were sent to the scene, two from Blackpool and one each from Bispham and Fleetwood, and arrived to find the fire 'well developed', a spokesman said.
Damage to the home was said to be 'extensive'.
Fire service experts are expected at the house tomorrow as they begin a joint investigation with police, one official said.
He said firefighters were met with a 'substantial' blaze when they arrived at the scene. They will be offered counselling.
The Lancashire Fire and Rescue Service said in a statement: "Crews were called to an address on Beach [Avenue] at approximately 3pm today.
"Unfortunately a man who was trapped inside the property died. Police are in attendance at the scene and are in liaison with fire crews to establish the cause of the fire."
Police have asked anybody with information to call 101, quoting incident reference 950 of June 2.
Nobody at the North West Ambulance Service could be reached for a comment.