A woman in her 20s has been shot by police in an “anti-terror operation” in north-west London, Scotland Yard says.
The woman in her 20s was one of the subjects of the investigation and is in a serious but stable condition.
At about 19:00 BST on Thursday, firearm officers entered the address in Harlesden Road, Willesden.
Officers sprayed CS gas and a woman was shot.
Two men, 20 and 16, and a woman, 20, were arrested during the Willesden operation.
Two further arrests were made in Willesden after a man and woman returned to the property. They were both aged 28.
The Metropolitan Police said they were arrested on suspicion of the commission, preparation and instigation of terrorist acts.
They are in custody at a south London police station.
A police spokesman said the woman who was shot was taken to hospital by ambulance.
“Due to her condition, she has not been arrested at this time and remains under police guard at hospital,” he said.
“The address and persons connected with it had been under observation by counter-terrorism officers as part of an ongoing intelligence-led operation.”
The incident has been referred to the Independent Police Complaints Commission and the Met’s Directorate of Professional Standards, as is procedure.