"The fire caused severe damage to the house and the roof was destroyed. Crews rescued a man from the rear of the house using a ladder. Both men have been taken to hospital to be treated for smoke inhalation. Due to the reports that other people might be trapped, our fire crews performed an extensive search of the building, and fortunately have confirmed that no one else was involved. Our fire investigation unit is now working to find out what caused the blaze."
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The 52-year-old had previous convictions for violence but was not on the anti-terror watchlist.
In a statement Charlton Athletic said: Keith was a true hero who will be greatly missed by all the Charlton family and everyone at the club.
London and the worlds has united on Twitter in defiance of the West minster attack #prayforlondon #wearenotafraid