Two women killed in fatal collisions just blocks away from each other in San Francisco’s North Beach neighborhood on Monday have been identified by the medical examiner’s office.

Jessica Christie, a 23-year-old Concord resident, was riding a motorcycle in the area of Broadway and Stockton streets just before 6 a.m. when she collided with a vehicle, accoding to police.

She was taken to a hospital, but died there of her injuries.

A second woman, 86-year-old Ying Kuang of San Francisco, was killed nearby at Powell and Vallejo streets around 12:35 p.m. when she was struck by a large truck.

Police said Kuang was in a crosswalk at the time she was struck. She died at the scene.

The drivers in both incidents remained at the scene, and police reported no arrests had been made as of Tuesday morning.