A drunk attacker was fought off by an elderly pensioner after appearing on his doorstep.
Brent Police are appealing for witnesses following an attempted robbery in Gauntlett Court Wembley on the July 16 about 1.55am.
The attacker knocked on the door of a 71-year-old man and when he answered the suspect was standing at his front door drunk.
The man demanded money from his elderly victim and when refused the he produced a knife and threatened the pensioner.
The householder fought back and the would-be robber ran off towards Harrow Road.
The suspect is described as a white male in his early 30s wearing a white coat, light bottoms and white trainers.
 If anyone has information relating to this incident please contact Brent CID on 020 8733 3159.