Police are appealing for help after a man touched himself inappropriately on a 469 bus in Plumstead. The man then left the bus in Abbey Wood.
The incident occurred around 5pm on Tuesday 2nd March. A woman in her 30s observed the man staring at her while touching himself.
The victim is reported as being frightened and shocked by the incident.
Anyone who knows the man is asked to call police on 101 or Tweet @MetCC quoting 5545/2MAR.
Another option to remain anonymous is to ring Crimestoppers on 0800 555 111 or visit Crimestoppers.