A man has been threatened with a knife during an attempted bike robbery at New Cross station, police said.
At around 10.30pm on August 23 the victim was travelling on a train to New Cross when he noticed two people acting suspiciously towards him.
When he got off the train to raise concerns to station staff he was approached by two men who threatened him with a knife and demanded his bike.
The man was able to get to a place of safety with his bike and the pair left.
British Transport Police (BTP) detectives investigating the attempted robbery have now released CCTV images of two men who may have information that could help their investigation.
Anyone who recognises them, or has any other information, is asked to contact BTP by texting 61016 or by calling 0800 40 50 40 quoting reference 738 of 23 August. Alternatively, you can call Crimestoppers anonymously on 0800 555 111.