A 25-year-old man has been arrested at Heathrow Airport on suspicion of terrorism and being a member of so-called Islamic state.
The suspect, from High Wycombe in Buckinghamshire, was held on Wednesday as he arrived back in the UK for alleged offences linked to Islamist extremism.
He is suspected of having committed offences of preparing for acts of terrorism, membership of a banned organisation, namely Isis, and receiving weapons training.
The man was arrested following an investigation by officers from Counter Terrorism Policing South East.
Published: by Radio NewsHub