A man has been arrested under terrorism laws over a murder in West Belfast.
Raymond Johnston, 28, was shot dead at Glenbawn Avenue in Poleglass last month.
Police Service of Northern Ireland (PSNI) detectives on Wednesday detained a 37-year-old man.
They searched properties in West Belfast and Lisburn and seized items for examination.
Detective Chief Inspector Geoff Boyce has appealed for witnesses to come forward.