SAN FRANCISCO (KRON) -- A child has life-threatening injuries after a bicycle and car crashed in San Francisco on Monday, the San Francisco Police Department said. The crash happened just before 6 p.m. at 7th Avenue and Balboa Street. An adult was riding the bicycle with a child on board. Renowned San Francisco bakery known for croissants to open new location The child was hospitalized, SFPD said. The driver cooperated with the investigation. The crash disrupted the Muni 31 bus' service. It rerouted through Cabrillo Street between 6th and 9th Avenues while police were at the scene.