Sam Brown’s family are being supported by specialist officers (Credit: Metropolitan Police)
Mr Brown, 28, died in hospital after being shot in Cheney Row Park, off Durban Road, shortly after midnight on Sunday, 24 July.
Today, officers arrested a 33-year-old man on suspicion of his murder. The suspect remains in custody at an east London police station.
Another man has been charged with murder while four people who were arrested have since been bailed or released under investigation.
The victim’s family continues to be supported by specially trained officers.
Anyone with information about the incident can contact detectives by calling 020 8345 1570. Alternatively, you can call 101 quoting CAD 267/24Jul.
To remain anonymous contact the independent charity Crimestoppers on 0800 555 111.
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Tags: Murder, Walthamstow, Fatal Shooting