Counter-terrorism officers in England have arrested a man at Gatwick Airport on suspicion of Syria-related offences.
The 24-year-old was detained before boarding a flight, West Midlands Police said.
A woman aged 20 has also been arrested at an address in west London.
The pair are being held at a police station in the West Midlands, while searches are being carried out at two addresses in Birmingham.
A police statement said: "There was no risk to any passengers at Gatwick Airport or to the wider public in relation to these arrests."