continue to pull out of russian cities. the nation now reeling from a weekend of turmoil. what the u.s. and russian governments knew ahead of time, as former russian allies did an about-face, squaring off against each other. plus, brutal fighting on the ground as ukraine tries to take advantage of the confusion. and late word of a possible russian plot to blow up a ukrainian nuclear plant. ian pannell and patrick reevell in ukraine and elizabeth schulze at the white house. also tonight, the severe weather outbreak. 64 million americans in the storm zone. tornado watches in multiple states in the midwest, as the threat moves east. the south is sweltering with no end to the heat wave in sight. rob marciano times it all out. were warning signs missed before the deadly implosion near the ruins of the titanic ? a submersible expert tell us what he heard during a 2019 dive that raised concerns of a serious flaw in the titan s design. letters containing a suspicious powder
with g7 leaders in an effort to drum up support and weapons for an expected counter offensive against russia. mr zelensky will address the leaders of the major western democracies during meetings on sunday. while the war in ukraine continues to dominate those summit talks the war itself is raging on. bakhmut has been the focus of the longest and bloodiest battle of the war but the leader of russia s private wagner group has said the city has now been taken. russia has been trying to take bakhmut since last year in a grinding war of attrition. and in the last few minutes, the russian news agency interfax says president putin has congratulated troops for capturing the city. earlier, ukraine says its units are still fighting in the city. this comes on the heels of the us agreement to allow ukrainian pilots to train in american made f 16 jets to help with its fight against russia a move moscow and china have criticised. here now, our political editor chris mason, who s in h