10/02/2017 10:42 AM AEDT | Updated 10/02/2017 2:51 PM AEDT

Security Scare Closes Sydney Courthouse

Internal doors were reportedly left unlocked.

David Gray / Reuters
Police tape stretches across a road as police inspect and guard the area outside the New South Wales (NSW) state police headquarters located in the south western Sydney suburb of Parramatta, Australia, October 2, 2015. Australian police said on Saturday they believe the shooting of a police worker by a 15-year-old boy in Sydney on Friday was politically motivated and linked to

A major Sydney court complex has been put under lockdown following an apparent security scare.

The Downing Centre Court Complex and the John Maddison Tower at the rear of the building have been closed after a security guard reportedly found internal doors to the building unlocked on Friday morning.

Police were called to the area at about 9.00am.

Officers are searching the building and court matters have been put off until 2pm on Friday, Channel 9 reports.