Officers from the Met’s Counter Terrorism Command (SO15) have arrested a 21-year-old man at a residential address in Hayes.
The man from London was arrested at approximately 1100hrs today (Friday, 2 May) on suspicion of being involved in the preparation of acts to commit terrorism, contrary to Section 5 of the Terrorism Act 2006, after returning to the UK from Turkey.
He has been taken to a police station where he remains in custody.
A number of items were seized from the arrested man.
This arrest was not in response to any immediate threat or risk.
Detectives have carried out searches in connection with this investigation.