A 42-year-old man from Essex has been arrested on suspicion of terrorism offences.
The man was arrested on Friday, 30 August at 17:25hrs by officers from the Eastern Region Special Operations Unit on suspicion of making threats to kill.
He was subsequently detained under section 41 of the Terrorism Act 2000 and taken to a London police station, where he remains in custody.
A warrant of further detention was granted at Westminster Magistrates’ Court meaning the man can be detained up until Friday, 6 September.
The investigation is being led by detectives from the Met’s Counter Terrorism Command and officers continue to search a residential address in the Saffron Walden area in Essex.