A CCTV image has been released of three people police would like to speak with (credit: BTP)
The victims reported to British Transport Police having a substance thrown at them just after 8pm on Saturday, 24 February.
The pair were taken to hospital with their injuries, which are not believed to be life-changing.
A CCTV image of three people who detectives would like to speak to in connection to the attack have been released.
Investigating officer, Detective Inspector Marvin Bruno said: “Violence in any form will not be tolerated on the rail network and we would like to reassure the travelling public that our officers are working tirelessly to identify and apprehend those responsible.
“We are really keen to speak to the people in the images, or anyone else who witnessed the incident, as we believe they have information which could help our investigation. If you know them or have any information that might help, please get in touch.”
Anyone who recognises them, or has any other information, is asked to contact British Transport Police by texting 61016 or by calling 0800 40 50 40 quoting reference 803 of 24/02/24.
Alternatively, you can call Crimestoppers anonymously on 0800 555 111.
For more on this story, and the latest on our other local and national news, listen to Time 107.5FM
Tags: British Transport Police, Elm Park