Biden and Trump clash in Texas on border policy; Disputed versions of deadly stampede and shooting in northern Gaza as war death toll exceeds 30,000; Historic Texas wildfire burns more than 1 million acres; and more on tonight's broadcast.

Millions under winter weather alerts across West; U.S. airdrops pallets of thousands of meals into Gaza; 3 Norfolk Southern trains involved in collision and derailment in Pennsylvania; and more on tonight's broadcast.