southwest airlines canceling the majority of its flights for today. we have team reporting. mona kosar abdi in buffalo, elwyn lopez in atlanta. the nationwide virus threat. covid-19 on the rise. with the holidays under way, the new warning tonight that all those gatherings and travel could send cases soaring, while flu activity remains high. t strike inside russia. for the second time this month, an air base 300 miles from the border hit. putin s forces claiming they shot down a ukrainian drone. ukraine signaling hope for negotiations. are peace talks possible? britt clennett from kyiv tonight. the urgent investigation in washington state. four power substations disabled on christmas day, knocking out power to thousands on the holiday. what officials are saying tonight. the crisis at the border reaches washington, d.c. hundreds of migrants bussed to the nation s capital from texas, left in the cold. families with children not prepared for the bitter conditions. used t