An Iraqi man has appeared in court charged under the Terrorism Act.
Mr Mohammed was arrested in London on Wednesday
Rauf Abdullah Mohammed, from Forest Gate, east London, is accused of recording information likely to be of use to people planning terrorist acts.
The charge relates to an unknown date before 26 January and is understood not to be linked to the 7 July bombings or the alleged attempts on 21 July.
The 25-year-old was remanded in custody at Belmarsh prison to appear before Bow Street Magistrates on 1 December.
He was arrested in south-east London on Wednesday and will appear before Bow Street magistrates on Saturday.
Police said he was charged on Friday afternoon with making "a record of information of a kind likely to be useful to a person committing or preparing an act of terrorism".
Mr Mohammed was arrested in south-east London on Wednesday by officers from Scotland Yard's Anti Terrorist Branch.