Story highlights Suspect is dead and was heavily armed, police say 
 
 Family told police he had been "bingeing on cocaine" 
 
 Azusa, California (CNN) The man suspected of fatally shooting one man and wounding two women Tuesday near a Southern California polling station had been "bingeing on cocaine," police said. 
 
 The 45-year-old suspect lived in Azusa, a suburb of Los Angeles, where the shooting happened. His family told police that he had been heavily using cocaine and that they left to get away from him on Monday night. 
 
 On Tuesday afternoon, the man opened fire in his neighborhood and began shooting at random cars and passersby, killing his 77-year-old neighbor and wounding a woman, police said. 
 
 He later ambushed police when they arrived on scene, said Lt. John Corina of the Los Angeles County Sheriff's Department. 
 
 The third victim may have been hit during the ensuing gunfire -- leaving two women, ages 65 and 59, in critical condition. One of the women was shot in the face, and the other in the torso. Police said they had no identities for the three victims. 
 
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 AZUSA (CBSLA.com/AP) — Authorities say a gunman is dead after killing a man and critically wounding two women not far from two polling places that were closed as a result. 
 
 They say the assault rifle attack in Azusa wasn’t election-related. 
 
 The two polling sites were shut down for several hours Tuesday while officers surrounded a home where the gunman’s body was found. One later reopened. 
 
 Authorities called to the scene got into a gunbattle and police say it’s unclear whether they fatally wounded the gunman or he killed himself. No officers were hurt. 
 
 The shooting took place not far from several schools, including one that was serving as a polling place, and across the street from a park that also had a polling site. 
 
 Police don’t have a specific motive for the shootings. 
 
 The names of the gunman and the dead man haven’t been released. The wounded victims are described as two women in their mid-50s. 
 
 Authorities responded to West Fifth Streeet and North Orange Avenue Tuesday afternoon shortly after 2 p.m. 
 
 Officers “were met with gunfire at the scene” and found themselves “pinned down” by gunfire, Azusa police Officer Jerry Willison said. Authorities worked to extract the pinned-down officers, Wilison said. 
 
 The gunman reportedly then holed up in a home in the 500 block of Fourth Street, which was surrounded by SWAT personnel. The suspect was believed to be armed with an assault rifle. 
 
 Multiple ambulances could be seen at the scene from Sky 9. A triage area was set up to treat patients at the scene. 
 
 Four people were transported to hospitals after the shooting, said Vanessa Lozano of the Los Angeles County Fire Department. One of them was declared dead upon arrival. 
 
 The shooting occurred near Slauson Middle School, which was placed on lockdown. 
 
 LA County Registrar Dean Logan said two polling places — Memorial Park and Dalton Elementary School — were impacted by the shooting and that voters should seek out alternative polling places. 
 
 The lockdown was later lifted at Dalton Elementary School. 
 
 Two of the gunshot wound patients were in critical condition, Azusa police said. 
 
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– At least one person is dead and a heavily armed suspect is on the loose after a shooting near a California polling location, the Los Angeles Times reports. Authorities say a man with a rifle opened fire on on people in a residential neighborhood. According to CBS Los Angeles, police officers "were met with gunfire" and "pinned down" when they arrived on the scene Tuesday afternoon in Azusa. At least three other people were injured, and at least one of the victims was on their way to vote. A voter at a nearby polling place tells CNN he heard shots fired and then a bunch of people ran into the polling place before police locked it down. "At first, I thought it was construction, but people came running into the room saying they see a guy with a bulletproof vest," another voter says. A second polling place and a middle school were also locked down. A Los Angeles County official says "voters should avoid the area and, if necessary, cast a ballot at an alternate polling location," KTLA reports. Residents are being told to shelter in place. Multiple police and SWAT vehicles were on the scene, and three civilian vehicles were crashed near the scene of the shooting. It's unclear if the crash was related. The conditions of those injured in the shooting are unknown. It's also unclear if any police officers are among the injured or deceased.