threatening to kill police officers in yonkers, new york, during tomorrow s parade. the stock market sliding just 24 hours after a group of banks unveiled a $30 billion rescue plan for first republic bank. the new report claiming first republic executives sold $12 million in stock months before the crash. the severe storm system, and where it s headed tonight. at least two tornadoes, including a confirmed ef-1 damaging homes and businesses in texas. winds up to 110 miles per hour. an arctic blast now on the way. below zero wind chills tomorrow morning. our weather team tracking it all. new concerns tonight about tiktok. sources telling abc news the justice department is launching an investigation into the owners of the popular social media app over allegations of spying. a new report on the possible origins of covid-19. an international team of scientists reportedly finding genetic links tying it to another animal in wuhan, china. here in new york, the good samaritan
overnight. that cold air is going to come in with a vengeance as we head through the weekend. wind chills will be below zero saturday morning and we re starting the see freeze watches and alerts being sounded off for much of the southeast. the cold air continues into sunday morning with wind chills feels like the single digits in many areas. you know, whit, this comes on the heels of a rather warm end to the week for a lot of east coast, so it s important they keep that winter gear on deck. thank you, and this is your first report here on world news tonight. we re thrilled to have you. welcome to the team. we turn now to the increasing scrutiny over tiktok. sources tell abc news the yupt justice department is launching an investigation into the owners of the apporlledly spying on journalists. it follows an apparent warning from the biden administration to ban tiktok if its chinese parent company doesn t sell its stake. here s abc s chief justice correspondent, pierre thomas. re