Police want to trace these three people following an attack on a Deptford ticket inspector.
The 34-year-old worker was attacked on January 3 at around 6pm on a 199 bus in Grove Street.
Two men and a woman punched the inspector several times after he asked to check their tickets. The victim was left with facial injuries.
The first man is described as white, aged 20 to 30, of large build, with very short dark receding hair. He was wearing glasses.
Police also want to trace a white woman, aged 20 to 30, of large build with shoulder length hair.
And the third suspect was male, 20 to 30 years old, of proportionate build with short hair.
Anyone with information should call Detective Constable Karen Hagen on 020 3054 4569 or Crimestoppers on 0800 555 111.