Police have launched a manhunt after three shop workers were sprayed with a noxious substance.
Two members of staff at a bookmakers sustained minor injuries while a third person, a Post Office worker, was sprayed in the face.
Metropolitan Police have released images this morning to the public of a man they want to speak to about the attacks.
The attacks happened in South-East London in December 2021.
The first attack happened at about 8.50pm on December 17 when a man entered the bookmakers and approached two staff members at the counter and asked: "Do you have any games?"
The staff members then asked what he meant and he repeated the phrase.
Police say the staff members locked the entrance of the shop over fears they were about to be attacked.
The man then squirted a clear noxious liquid at them through the gaps and over the top of the security screens before fleeing.
The liquid was in a 500ml sized water bottle and hit both victims.
Less than five minutes later, the same man entered the Post Office on the same road.
He jumped over the counter behind the till area where the victim was sitting and used the same bottle of noxious fluid to spray the victim's face.
He then left the premises.
The man has been described as black and 5ft 8in.
He had an English accent and spoke very quietly.
Detective Constable Nathan Burrows said: "Fortunately, the injuries inflicted by this man were minor and had no lasting effects.
"However, the violent nature of the assaults and the disregard for public safety is of real concern and this man needs to be found.
"I fully appreciate the appeal images are not very good, but I hope that someone still might be able to put a name to this person.
"These were frightening attacks with no obvious motive and I would ask anyone with any information to contact police."
Any witnesses or anyone with any information is asked to call the police on 101 or via Twitter @MetCC.
Please quote reference CAD 7156/07Dec21.
To give information anonymously contact Crimestoppers on 0800 555 111.
