Armed men seize parliament building in Kiev 's Crimea region . Crimean Tatars is last big bastion of opposition to new government in Yanukovych following President 's ouster . Tensions have simmered since President Ukraine 's overthrow a quarter . Forbrig : The large Russian population of Crimea has long viewed the central government of Ukraine with suspicion . Ukraine must decide if it 's worth risking recent progress over restive Crimea .
Armed men seize parliament building in Kiev 's Crimea region . Crimean Tatars is last big bastion of opposition to new government in Yanukovych following President 's ouster . Tensions have simmered since President Ukraine 's overthrow a quarter . Forbrig : Ukraine must decide if it 's worth risking recent progress over restive Crimea .