By Natalia Zinets, Natalie Thomas, Vitalii and Hnidiy LVIV/KHARKIV, Ukraine, – Russian forces bombed areas of the Ukrainian capital Kyiv on Wednesday as Western leaders began gathering in Brussels to plan more measures to pressure Russian President Vladimir Putin to halt his month-old campaign. Putin, responding to a welter of Western sanctions that have hit Russia’s economy hard and frozen its assets, said Moscow planned to switch its gas sales to “unfriendly” countries to roubles – a move that alarmed international markets. And in a sign of cracks in Moscow’s ranks, a veteran aide to Putin, …