A shooting investigation is underway in Vallejo near Mahogany Drive and Broadway, with a heavy police presence and evidence markers around a gray sedan after bullets were observed in multiple scenes. Authorities have not confirmed fatalities or provided full details as of Monday afternoon, and witnesses reported hearing shots from two different calibers. Police have not immediately disclosed suspects or motive, and residents were urged to avoid the area due to ongoing activity. Reports and helicopter footage corroborate a large-scale operation in the north Vallejo area, with officers seen around the vehicle and at the scene as the investigation continues. Updates are expected as more information becomes available from local outlets covering the developing incident.