New information about Malak Arok who went missing in 2012 has sparked a fresh search operation at Mount Ainslie, ACT police say.
The search, estimated to continue until sunset, is part of an ongoing long-term investigation into Mr Arok's disappearance.
"Today [Wednesday, October 23], approximately 30 members from ACT Policing, including specialist forensics, and AFP Search and Rescue will assist with the search," an ACT Policing statement said.