A man arrested under the Terrorism Act in a Scottish town has appeared at a specially convened court.
Mr Siddique was arrested in the town of Alva on 13 April
Atif Siddique, 20, appeared at Falkirk police station on Thursday following his arrest in an operation in Alva, Clackmannanshire, on 13 April.
Mr Siddique made no plea at the hearing, which was conducted amid tight security and bail was refused.
He was charged under Section 58 (1) (b) of the Terrorism Act 2000, the Crown Office confirmed.
A spokesman said this related to the possession of a document or record containing information "likely to be useful to a person committing or preparing an act of terrorism".
Four men in total were arrested by police under the act, although two were released on Wednesday without charge.
Police were granted a further 72 hours to detain Mr Siddique's brother, Asif Siddique, 24.
The extension means he could be held until Saturday morning.
Mr Siddique was arrested by police following a "pre-planned intelligence-led" operation in central Scotland.
He was taken to the high security Govan police station in Glasgow.