Two police officers are in hospital after being stabbed in central London.
Scotland Yard said two male officers were attacked by a man in the Leicester Square area.
The incident took place at around 6am on Friday, September 16.
An individual has been arrested on suspicion of causing grievous bodily harm and assaulting an emergency worker.
“Taser was deployed and a male was arrested on suspicion of grievous bodily harm and assaulting an emergency worker,” the Met said in a statement.
“He was taken to a hospital for treatment where he remains at this time.
“Inquiries into the circumstances surrounding the incident are ongoing.”
Mayor of London Sadiq Khan said the attack was “utterly appalling”.
“These brave officers were doing their duty and assisting the public at this momentous time for our country,” he said.
“My thoughts and prayers are with him, their loved ones and police colleagues following this disgraceful attack.”