coverage of the iowa caucus will continue. see you sunday morning. happening now, u.s.-led air strikes inseed yemen trigger a vow of retaliation by iran-backed militants. mass protests erupt in yemen and fears of a full scale regional war intensify. also this hour, a potential blizzard and bitter cold are disrupting the final push to the iowa caucuses. we re tracking the candidates and severe weather with only three days to go before the first presidential votes of 2024. welcome to our viewers here in the united states and around the world. i m wolf blitzer, you re in the situation room. let s get to our top story tonight. iran-backed houthi militants vowing to hit back after a u.s. led coalition struck their position faze yemen. the national what is president biden saying as the u.s. braces for retaliation? wolf, the president spoke briefly earlier today reiterating that the united states stand as poised to respond to any additional houthi action including missile an
let s get to our top story tonight. iran-backed houthi militants vowing to hit back after a u.s. led coalition struck their position faze yemen. the national what is president biden saying as the u.s. braces for retaliation? wolf, the president spoke briefly earlier today reiterating that the united states stand as poised to respond to any additional houthi action including missile and drone attacks that they launched in the red sea and he addressed concerns that iran might get involved in this con flith because the houthis are supported and backed by iran. reason ran has been providing them with intelligence to attack these vessels in the red sea. he was asked if we are in a proxy war with iran. i ve already delivered the message to iran. they know not to do anything.