A 19-year-old man has been charged with terrorism and firearm offences.
Alfie Douglas Coleman, of Great Notley, Essex, was charged on Wednesday as part of an investigation relating to "extreme right-wing terrorism", Scotland Yard said.
He is charged with single counts of preparation of terrorism, possession of a prohibited firearm, and possession of ammunition without a firearms certificate, as well as 10 offences of possession of terrorist material, the CPS said.
Coleman is due to appear at Westminster Magistrates' Court in London today. Coleman was arrested in east London on September 29 as part of a pre-planned operation, and detained under Section 41 of the Terrorism Act 2000, the force said.
He was taken into custody at a London police station.
A warrant of further detention was obtained from Westminster Magistrates' Court on September 30, allowing police to detain him until October 6.
A second warrant of further detention was granted at the same court on October 6 which meant officers could keep him in custody for a further seven days.
Nick Price, head of the CPS counter terrorism and special crime division, said: "The CPS has authorised 13 charges against a 19-year-old man accused of intending to commit an act of terrorism.
"The charges follow an investigation by the Metropolitan Police's Counter Terrorism Command."
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