Navajo Nation health officials are reporting 237 new coronavirus cases and 22 more deaths. The latest figures released Friday evening increased the tribe’s totals since the pandemic began to 24,776 cases and 866 known deaths. Reports of some of the new deaths were delayed. The Navajo Nation started a weekend lockdown Friday night that extends until 5 a.m. on Monday. All Navajo Nation residents are required to stay at home unless they are essential workers or have an emergency. The weekend lockdowns extend through Jan. 25.