A man has been arrested at London Southend Airport on suspicion of preparation of acts of terrorism.
Officers from the Metropolitan Police’s Counter Terrorism Command stopped the 49-year-old on Tuesday under schedule 7 of the Terrorism Act 2000.
He was taken to a south London police station, where he remains in police custody.
A search by officers of an address in Essex has also been carried out.
Southend Airport is about 40 miles from central London and its destinations include Italy, Spain and Hungary.