Crimea. we spoke to the general in charge of that offensive, the south, and he said it is hard going. we found when we went to the front lines, it is hard going with ukrainian forces trying to break through. breakthrough well prepared russian defences and minefields. hidden in a forest, evidence of ukraine's stuttering offensive in the south. a makeshift repair yard trying to salvage not old soviet equipment, but recently donated western armour. these us—made bradleys may have saved lives, but they have also been damaged by what is slowing them down. russian minefields. sergei says some can'...