A 36-year-old man was arrested on suspicion of a sexual assault in Berkeley on Tuesday morning, police said.
The victim was walking a dog in the area of Dwight Way and Hillegass Avenue shortly before 7:30 a.m. when Demetrius Johnson allegedly approached, threatened that he had a gun, then forced the victim to a secluded location, according to police.
Johnson then allegedly sexually assaulted the victim and stole their cellphone. Officers responded and detained him as he was running away. He has been arrested on suspicion of kidnapping for rape, forced oral copulation and robbery, police said.
Anyone with information about the case is asked to call Berkeley police at (510) 981-5900.