Kyiv (AFP) – Ukraine demanded Thursday that Russia provide humanitarian corridors to allow in much-needed supplies to cities wracked by war, as Moscow’s invasion entered a second week. After the fall of the first major Ukrainian city to Russian forces, the warring sides were meeting for more talks, after an earlier encounter failed to agree a ceasefire. But Kyiv insisted that corridors for medical and other supplies were the bare minimum it expected, as negotiators arrived for the talks at an undisclosed location on the Belarus-Poland border. A first round of talks on Monday yielded no breakt…