Authorities confirmed on Monday that a sheriff’s deputy and a police officer were killed after a shootout Sunday night in Liverpool, N.Y., a suburb of Syracuse. The person authorities consider the prime suspect in the case was also killed, police confirmed.

The shooting occurred as police investigated a stolen vehicle in Salina, New York (Liverpool is one of five small suburban communities in the town of Salina, according to Salina’s website.) Syracuse Police Chief Joseph Cecile told a news conference that at about 7 p.m., two Syracuse officers “initiated a traffic stop on a suspicious vehicle” that took off; the officers initially lost sight of the vehicle, but were able to track it to an address in Liverpool via its license plate.  At a little after 8 p.m., Syracuse officers and deputies from the Onondaga County Sheriff’s Office got to the address and were inspecting the suspicious vehicle when they saw what they thought were firearms inside. Then, shots suddenly rang out and there was “an exchange of gunfire.”

Per CBS News, the Syracuse police officer and Onondaga County sheriff’s deputy were initially taken to a local hospital in critical condition following the shooting; after which, both were pronounced dead at University Hospital. Police Chief Cecile said “we lost two heroes tonight,” adding that the officer who was killed had about three years on the job; while Onondaga County Sheriff Toby Shelley told reporters the slain deputy was “seasoned” and “very well-liked in his community. … (He was) just a great guy.”

Syracuse Mayor Ben Walsh said at a press conference: “This is a dark day for Syracuse. This is our worst nightmare come true. “Our thoughts right now are with the families of those two officers, two heroes, and if anyone knows the family member of a police officer, give them a hug. This is their worst nightmare and we just need to be there for everyone in the law enforcement community today.”

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