Woman shot and four arrested in counter-terrorism operation

A woman has been shot by police and four people arrested as part of an ongoing counter-terrorism operation in London and Kent.

Update 1:10am: Further searches at linked addresses across London are under way, although Scotland Yard did not reveal the locations.

Following the shooting of the woman, who was "one of the subjects of the investigation", the incident has been referred to the Metropolitan Police's Directorate of Professional Standards and the Independent Police Complaints Commission (IPCC) "as a matter of course", Scotland Yard said.