Police have launched a manhunt after “two bottles of strong acidic substances” were found at North Greenwich tube station.

On Tuesday, May 23, at around 4.30pm, tube station staff found a rucksack at the station which appeared to have been abandoned.

Officers believe the liquid had begun leaking and this may have been why it was left.

British Transport Police has now released CCTV images of two men who they would like to speak to in connection with the incident.

Anyone with further information can contact BTP by texting 61016 or calling 0800 40 50 40 with reference 465 of 23 May.

A spokesperson for British Transport Police said: “Officers investigating an incident in which two bottles of acid were left at a station, have released images of two men they would like to speak with in connection.

“At around 4.30pm on Tuesday 23 May, staff at North Greenwich underground station located a rucksack.

“In it, two bottles of a strong acidic substance were found. It is believed the substance had started to leak and had been abandoned by its owner.

“Officers would like to speak to the men in these images, as it is believed they may have information which could help the investigation.

“Anyone with information can contact BTP by texting 61016 or calling 0800 40 50 40 with reference 465 of 23 May.

“Alternatively you can contact Crimestoppers anonymously on 0800 555 111.”