Story highlights Man who shot accountant was killed during Friday's shooting

Five suspects are being questioned about their connections to the crime

Sydney (CNN) Australian police have arrested five men in connection with the fatal shooting of a police department accountant, the New South Wales Police Force said Wednesday morning.

Four five shots fired by man outside our office and in front of NSW police head quarters. Man shot down by guards and detectives ...

The male suspects, who ranged in age from 16 to 24, were taken into custody at four locations in 6 a.m. raids that involved more than 200 officers, police said.

On Friday, a 58-year-old New South Wales police civilian worker was shot dead as he was leaving the NSW police headquarters near Sydney.

The victim, Curtis Cheng, had been working with the NSW Police Force for 17 years and was with the finance and business division, police said.

The gunman was killed by special constables who came out of the building.

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