An investigation has begun into a fatal fire at a flat in Lewisham in southeast London in which a 12-year-old boy has died.

Officers attended Lewisham Road just before midnight on Tuesday, the Metropolitan Police said in a statement.

"Sadly, despite the best efforts of the emergency services, a 12-year-old boy died at the scene. His family have been informed and are being supported by specialist officers.

"A woman, aged 54, was taken to hospital by paramedics. Her injuries are not believed to be life-threatening or life-changing."

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London Fire Brigade reported 10 fire engines and around 70 firefighters tackled the fire, which destroyed the maisonette that was on the ground and first floors.

Detective Chief Inspector Danian Reid, from the Met's local investigations team in southeast London, described the fire as a "tragic incident".

"We continue to work alongside investigators from the London Fire Brigade to establish the cause of the fire.

"We understand the impact this will have on the community and there will be local neighbourhood officers, and other emergency services, in the area as enquiries continue."

The cause of the fire is being investigated by the London Fire Brigade, but is not believed to be suspicious at this stage.