David McSwiggan told the Omagh Bombing Inquiry that he had repeatedly returned to the scene of devastation immediately after the explosion.
Sir Keir Starmer believes the Chancellor can be trusted and has no concerns about her conduct, Number 10 said.
Joseph Cope, was aged 16 and 17 when he allegedly encouraged terrorist acts on social media and created an online library of terrorist documents.
National Crime Agency officers detained the men at addresses in Leicester, Birmingham, Essex and south London.