(WASHINGTON) -- Four men in London have been arrested and are being questioned over alleged terrorist activity.
The men -- ranging in age from 18 to 33 -- are being held at a south London police station. Detectives are investigating allegations that they may have traveled to, and supported terrorism in Syria.
The oldest suspect was arrested at Gatwick Airport as he tried to board a flight. The three others were arrested at separate addresses in east London.
Properties linked to the men are also being searched.
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