A man is due in court on Thursday to face charges under the Terrorism Act in relation to the failed bomb attacks in London on 21 July.
The 21 July attacks in London failed
Ismael Abdurahman, 23, of Newport Street, Kennington, south-east London, is the first person to be charged in connection with the incidents.
He is accused of withholding information that may have helped catch a person involved in terrorism.
Mr Abdurahman will appear before Bow Street Magistrates' Court.
The allegation is understood to relate to the Shepherd's Bush bombing.
Osman Hussain, who is suspected of involvement in the attack, is currently being held in Italy.
Mr Abdurahman was charged with "having information that he knew or believed might be of material assistance in securing the apprehension, prosecution or conviction of another person in the UK for an offence involving the commission, preparation or instigation of an act of terrorism, failed to disclose that information as soon as reasonably practicable to a constable".