A man accused of being the fourth member of an Islamic State cell known as the Beatles has been charged with terrorism offences.
Aine Leslie Davis, 38, was arrested on Wednesday evening at Luton Airport after being deported from Turkey to the UK.
He was charged with terrorism offences in 2014 and possession of a firearm for a purpose connected with terrorism, the Crown Prosecution Service said.
He will appear in Westminster magistrates court on Thursday.
A 38-year-old man has been charged with various terrorism offences after an investigation by the Met's counter-terrorism command.
Aine Leslie Davis, who had no fixed address, was charged with offences contrary to sections 15, 17 and 57 of the Terrorism Act 2000.
He was remanded in police custody and is due to appear in Westminster magistrates court later this morning.
On Wednesday, officers from the Met's counter-terrorism command arrested a 38-year-old man at Luton Airport after he arrived in the UK on a flight from Turkey.
He was taken to a south London police station and charged with the above offences. A spokesman for the CPS Special Crime and Counter-Terrorism division said: The Metropolitan police authorised Aine Leslie Junior Davis to be charged with terrorism offences in 2014 and after being deported to England by Turkish authorities he was arrested at Luton Airport after his return to the UK.
In addition to terrorism offences, Davis, 38, was charged with possession of a firearm for a purpose connected with terrorism.
The Crown Prosecution Service reminds all concerned that criminal proceedings against Mr Davis are active and that he has the right to a fair trial.