a strategic attack on a critical russian bridge. new video into cnn showing heavy damage to the bridge. this is russia s artery that links to occupied crimea. and you can see giant holes, you can see the twisted metal here along a portion of the nearly 12-mile-long span. and there appears to be significant damage to one of the bridge s road bands. two strikes reported by carried out before dawn this morning. a course in ukraine security service telling cnn this was an attack that was a joint operation with ukraine s navy. russia claiming that two people were killed here. and this is a bridge that was built after moscow illegally annexed crimea back in 2015. it s a supply line that is vital for russia, particularly in southern ukraine. in the meantime, the white house is urging russia to immediately reverse court after the kremlin announced that it would terminate its deal that allows ukraine to export its grain.