OSLO: An 18-year-old Norwegian is suspected of terrorism after the murder of a social worker in Oslo which may have been racially-motivated, authorities said Monday. The woman, who worked in a home helping integrate vulnerable young people into society, was killed overnight Saturday to Sunday at her workplace. According to media, she was stabbed to death. Lawyers representing the family identified the victim as 34-year-old Tamima Nibras Juhar, born in Ethiopia.