The Northern Territory (NT) has put the town of Katherine into lockdown for 72 hours, while imposing what they called a lock out for anyone who is unvaccinated in the Greater Darwin area for the same time frame. The measures came in response to one man testing positive for COVID-19 yesterday—the territory’s first locally acquired case on record. The man is a contractor at Royal Australian Air Force Tindal base, who lives between Katherine and Humpty Doo. He began developing symptoms on Tuesday and tested positive for COVID-19 on Thursday. He was active in the community during his infectious period, visiting locations near Darwin and Katherine, which is 320 kilometres (198 miles) southeast.. NT Chief Minister Michael Gunner said that the man had not travelled outside the NT recently and therefore had caught the virus inside the territory. “We don’t know where and we don’t know when, but this is …