Overview

• The Tactical Police Unit arrested the man about 9:30pm AEDT in a unit above a business on Georges River Road after a two-hour operation.
• Several firearms, including a high-calibre rifle, were seized during the arrest, police said.
• Paramedics treated 16 people at the scene for minor injuries such as cuts from shattered glass, and two were taken to hospital.
• A man in his 50s with gunshot wounds was transferred to Royal Prince Alfred Hospital in serious condition.
• Police say vehicles and premises were struck as the area was locked down, and the scene remains under forensic examination while motive is investigated.