AN investigation has been launched after an elderly woman was found dead at home.

Agnes Johnson, 73, was discovered dead in bed by her son at the house they shared in Blackburn, police said.

Officers said they are treating her death as “unexplained”.

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Yesterday, crime-scene investigators dressed in white and orange suits with masks over their faces were looking for clues as to what caused mother-of-three Mrs Johnson’s death.

Police said they are looking into the conditions in which the bed-bound pensioner was living.

Mark Johnson, who lived with his mother and their Doberman Keisha at the end-of-terrace property in Wensley Road, said he is devastated by her death.

The Crown Paints worker said: “I am really shocked and I cannot think straight.

“To have all this going on with the police is awful. My mum was a lovely lady.”

A family friend said: “She was witty and very bubbly with a great sense of humour.

“But due to her ill-health, she has been quite house-bound.”

Mr Johnson said he and his mother, a former cleaning supervisor at Lancashire County Council, had been living in Wensley Fold for around ten years and that she had been ill.

She suffered from heart problems, diabetes and ulcerated legs and had not been able to get out of bed for some time, he said.

Mr Johnson said: “She said she was not feeling very well on Monday.

“On Wednesday night, she was in bed and I found her around 11.10pm.

“I had said to her to go to the hospital, but she did not want to go. She was quite stubborn.”

A post mortem is due to be carried out to establish the cause of Mrs Johnson’s death.

Insp Ilyas Mohmed said: “We were called to reports that a woman in her 70s had died at home.

“It is an unexplained death and we are making sure that there is nothing suspicious about it.”