Police and other emergency services are responding to a mass shooting on West Garvey Avenue in Monterey Park, just east of Los Angeles, officials and witnesses say. Multiple people have died. The incident happened just after 10:30 p.m. on Saturday when officers were called for reports of an active shooter at or near 122 West Garvey Avenue, where multiple businesses are located. According to initial reports, more than a dozen people have been injured, including multiple victims who have succumbed to their injuries. Specific figures were not immediately confirmed. Details about the circumstances…