NATO is planning to increase its troop presence in its eastern flank close to Ukraine, dpa has learned from sources close to the Western military alliance, despite demands from Moscow to do precisely the opposite. The 30 alliance members signed off a related proposal this week, dpa learned on Friday, after weeks of discussion. Following Moscow’s 2014 annexation of the Ukrainian territory Crimea, NATO deployed four battlegroups of multinational forces in Estonia, Lithuania, Latvia and Poland. With more than 100,000 Russian troops now stationed near Ukraine’s borders and fears over an invasion m…