Police are appealing for witnesses after a pensioner was attacked and robbed in his home.
The 81-year-old, of Wyatts Lane in Walthamstow, was at home on July 25 when the robber knocked on the door at around 8.20pm.
After answering the door, the victim was pushed to the floor and his bank cards and keys were stolen.
The suspect is desrcibed as a black man, wearing a dark baseball cap and jogging bottoms.
Anyone with information is asked contact Waltham Forest police on 101 or call Crimestoppers anonymously on 0800 555 111.