tonight, u.s. officials now confirming to abc news that israel has begun flooding the hamas tunnels to destroy them and hamas. but what about any hostages who might have been held in those tunnels? first tonight, president biden and president zelenskyy before the cameras late today, pleading for help from congress in passing new funding. but tonight, house and senate republicans blocking that help. president biden warning failing to help ukraine will, quote, give vladimir putin the greatest christmas gift they can possibly give him. mary bruce standing by live at the white house. also this major headline from the israel-hamas war tonight. two u.s. officials now confirming to abc news that the israeli military has, in fact, started pumping water into those tunnels run by hamas. james longman standing by with late reporting from israel. back in the u.s. tonight, and the deeply personal issue of abortion. and the young, pregnant wife in texas. her health in danger. tonight