Police have arrested a 25-year-old man on suspicion of terrorism today (29 September).
Police arrested the man at Heathrow Airport as he arrived in the UK for alleged offences linked to a terrorist organisation.
The man, from High Wycombe in Buckinghamshire, was held by police today.
He is suspected of having committed offences of preparing for acts of terrorism, membership of a banned organisation and receiving weapons training.
The man was arrested following an investigation by officers from Counter Terrorism Policing South East.