A man has been forced to hand over his phone, wallet and PIN number after being robbed outside Banstead train station.
The victim was threatened by two people, believed to be carrying a gun on May 16 at about 7.30am.
The robbers were seen to head towards Nork Way and after viewing CCTV footage, police tracked their movements down Nork Way to Nork Gardens.
Police now wish to speak with a man and a woman in connection with the incident.
The pair were both were wearing black hoodies and black trousers/jeans and the woman is believed to be in her late teens, early 20s.
Detective Sergeant Leigh Wall from East Surrey CID said: "The victim was fortunately not hurt in the robbery and has been able to assist us with the investigation.
"This is a serious offence and we are carrying out a robust investigation into the matter.
"We would like the public's help in identifying those responsible so we can stop them.”
Please call 101 with the reference PR/45180050858 if you have information which could support the investigation.
Alternatively, you can report suspicions anonymously to independent charity Crimestoppers on 0800 555 111.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here