Teenager 'linked to extreme Islamism' arrested in Norway after device found

A 17-year-old asylum seeker from Russia was arrested on Sunday in connection with an explosive device found near a busy underground station in Norway's capital that police defused before it detonated, authorities said.

The youth was detained on suspicion of handling explosives, but investigators do not know if he planned to carry out an attack with the homemade device, Signe Aaling, chief prosecutor for Norway's PST security service, said.