Teenage boy arrested on suspicion of right-wing terrorism in Hertfordshire
The suspect has been released on bail until mid-July while inquiries continue.
A teenage boy has been arrested on suspicion of encouraging right-wing terrorism.
The Metropolitan Police said the 17-year-old was arrested on Tuesday at an address in Hertfordshire.
He was held on suspicion of a single offence, contrary to Section One of the Terrorism Act, which relates to a direct or indirect encouragement to the commission, preparation or instigation of terrorism.
Scotland Yard said the investigation relates to "alleged offences linked to extreme right-wing terrorism".
The suspect has been released on bail until mid-July while inquiries continue.