you. i m alex witt in for chris jansing here in new york city. there has been a major development in the israel-hamas war. hamas says one of its senior leaders has been killed in an israeli strike inside lebanon. these are live pictures of the site of the attack in beirut. what it could mean for the war as israel s full cabinet considers a plan for gaza after the fighting is done. plus, the border crisis officially hits historic levels. roughly 10,000 people arriving every single day, simultaneously overwhelming processing centers on the border and packing city shelters 2,000 miles away. what will the white house do about it. and with new hampshire s first in the nation primary just three weeks away, an incredible 40% of voters there are undeclared. why that could lead to a result no one is anticipating. but we re going to begin with that major breaking news tied to the israel hamas war. a senior hamas official killed in an israeli air strike in beirut. it comes as mome
here are the top stories we re covering this hour. israel says its war effort to eliminate hamas is entering a new phase with the new year. but is it going to reduce civilian casualties as the question has been questioning. this as prime minister netanyahu suffers a major political setback from his country s supreme court. i ll teak to ambassador mark regev and the democratic senator. and in tokyo, a five-man crew of air national guard claimed dead but all 400 on board a wide-body passenger plane escaping safely in just minutes after their plane exploded on the runway. and we ll look at the surge of respiratory illnesses over the holiday season. as flu, covid and rsv give families a rough start to 2024. and good day, everyone. i m andrea mitchell in washington. israel is starting the new year by launching intense attacks against central and southern gaza, even as the idf begins the process, it says, of bringing the first several thousand of its troops home. that includ