Derby flats explosion 'caused by water storage tank'

Image caption A water storage tank may have caused an explosion in a Derby laundry room

An explosion at a Derby block of flats was caused by pressure building up in a water storage tank, the fire service has said.

The blast in a laundry room at Kenneth House on Tuesday resulted in one person being taken to hospital suffering from the effects of smoke inhalation.

At first, it was thought that a gas leak had caused the explosion but that has now been ruled out.

Riverside, which owns the flats, said it made all necessary safety checks.

'Pressure cooker'

Terry Lambert from Derbyshire Fire and Rescue said: "It was caused by a water storage pressure vessel - the same as you get in a domestic property."

He said it became "like a pressure cooker" and exploded.

Image caption The explosion reduced a laundry room at Kenneth House to rubble

Witnesses reported a strong smell of gas at the scene and the National Grid were called out to isolate the supply.

A specialist search and rescue team from Leicestershire joined in the search for possible casualties, but managers at the complex established no-one was left inside after looking at CCTV.

Residents and staff at a neighbouring doctors' surgery and a pharmacy were evacuated to a University of Derby building after the explosion at about 10:30 GMT. Roads in the city centre were closed.

Riverside says it held regular inspections at Kenneth House.

An investigation into the cause continues.

Image copyright Restaurant Zest
Image caption Staff in Restaurant Zest opposite the explosion witnessed the aftermath

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