Kyiv (AFP) – Russia said Monday it would open humanitarian corridors for civilians to flee pummelled Ukrainian cities, but Kyiv accused Moscow of making it impossible for innocent people to escape. The latest offer brought a glimmer of hope for terrified civilians cowering under a hail of Russian shelling and mortar fire, with numerous women and children among the hundreds already killed. Russia’s defense ministry said it would open the corridors from 0700 GMT Tuesday, subject to Ukraine’s approval, listing routes from Kyiv as well as the cities of Mariupol, Kharkiv and Sumy — all of which ha…