A teenager has been arrested in connection with the death of a man killed during a break-in.
The 15-year-old boy was detained on Thursday evening and he remains in custody at a south London police station.
A man, believed to be in his late 30s, was found dead at an address in Huntingfield Road, Roehampton on April 22 after police were called at around 8.15pm.
Officers are working to formally identify the victim and locate his next of kin.
A post-mortem examination is due to take place today.
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Officers were given the touching letter at Brixton Station while they were on a reassurance patrol after yesterday's attack
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.