LONDON — Counterterrorism detectives in Scotland are investigating after five people were injured in attacks in Edinburgh that appeared to target Muslims, police said Saturday. Police Scotland said a 36-year-old man was arrested late Friday after officers received multiple reports of attacks in the west and north of the city. The force said five men — two aged 22, and others aged 24, 27 and 39 — sustained a range of injuries and three needed hospital treatment. None of the injuries is