A police captain who spent 37 years with the Bayonne Police Department in New Jersey  "died unexpectedly" while on duty, his chief says. 

Paul Jamolawicz, 61, passed away on Friday night, according to Chief Robert Geisler. 

"It is with a heavy heart that I must announce the death of Bayonne Police Department Captain Paul Jamolawicz," Geisler said in a statement. "Captain Jamolawicz died unexpectedly tonight while on-duty serving our community." 

"On behalf of the City of Bayonne and the Bayonne Police Department, I would like to express our condolences to the Jamolawicz family," he added. 

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Bayonne Police Paul Jamolawicz

Bayonne Police Capt. Paul Jamolawicz earned multiple awards during his service with the department, his obituary says. (Bayonne Police Department)

The cause of the death was not immediately clear. Fox News Digital has reached out to the Bayonne Police Department for further comment. 

Jamolawicz’s obituary, which was published by The Jersey Journal, said he "joined the Bayonne Police Department in 1985 and rose through the ranks for the next 37 years." 

Paul Jamolawicz Bayonne hospital

Officers line up to salute the late Bayonne Police Capt. Paul Jamolawicz. (Bayonne Police Department)

"While on the job he was awarded three commendations and seven Excellent Police Service Awards," the obituary added, noting that the police captain also owned a liquor store and laundromat. 

Bayonne Police Department vehicle New Jersey

Jamolawicz joined the Bayonne Police Department -- located outside of New York City -- in 1985, his obituary says. (Bayonne Police Department)

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Jamolawicz is survived by his wife, two children and family.