Original sentence: In February 1999, a few weeks after a fall at home, when he was found slumped at the bottom of his stairs, had left him in a coma, he died from pneumonia at the Chelsea and Westminster Hospital in London
Edited sentence: In February 1999, after a fall at home he was found slumped at the bottom of his stairs.This left him in a coma and he died a few weeks later from pneumonia at the Chelsea and Westminster Hospital in London