Massachusetts December 1, 2021 11:16 pm Omicron Variant Detected in the US With the new omicron variant of COVID-19 found in California, health officials are urging safety as new data is collected and analyzed. US & World Videos 1:00 Three dead in apparent murder-suicide in Lowell 3:05 100 protesters detained at Northeastern University 2:39 Community mourns police sergeant killed on duty 2:50 Community mourns Billerica police sergeant killed on duty 4:32 Anti-war protester at Northeastern speaks amid arrests: ‘We are peaceful students'