Lewisham detectives are looking to identify a man in connection with a spate of knifepoint robberies.
There have been three incidents recorded in Brookmill Park, SE8 on Monday, August 30, Tuesday August 31 and Thursday, September 2.
In each, the suspect has approached couples as they were sat on a bench in the park before pulling a knife and robbing them of their mobile phones.
All incidents occured between 7.45pm and 10pm.
In the incident on August 31, a man in his 20s was rushed to hospital after being stabbed a number of times.
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He is still recovering and his injuries were assessed as non life-threatening.
At this time there have been no arrests and detectives are urgently investigating and pursuing a number of lines of enquiry.
All of the victims have described the suspect as being a black male, 6ft tall, of skinny build, who was wearing a face mask and hood.
Anyone who sees a man in Brookmill Park matching this description is urged to call 999 immediately.
Any witnesses or those with information are urged to call 101 ref CAD 7037/31 Aug.
Detective Sergeant Dan Rouse, of the South East Command Unit, said: "We are extremely concerned by the actions of the suspect, who clearly is a violent offender.
"We are working 24/7 to identify him and we're asking the public to help.
"I urge anyone who has seen or sees a man in Brookmill Park matching the description of the suspect provided to call 999 immediately.
"Information as to his identity can be provided to 101.
"Please work with us to help catch this man and remove him from the streets."
A spokesperson for Metropolitan Police said: "Detectives in Lewisham are looking to identify a man in connection with a spate of knifepoint robberies in Brookmill Park SE8.
"There have been three incidents recorded on Monday, 30 and Tuesday, 31 August, and Thursday, 2 September.
"All of the incidents occurred in the evening between 19:45hrs and 22:00hrs.
"In each the suspect has approached couples as they were sat on a bench in the park before pulling a knife and robbing them of their mobile phones.
"In the incident on 31 August, a man in his 20s suffered a number of stab injuries. He was rushed to hospital where his injuries were assessed as non life-threatening; he continues to recover.
"All of the victims have described the suspect as being a black male, 6ft tall, of skinny build, who was wearing a face mask and hood.
"Detectives are urgently investigating and pursuing a number of lines of enquiry.
"At this time there have been no arrests."
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