GALATI, Romania, May 29 (Reuters) — NATO member Romania said on Friday that a drone injured two people in a southeastern city during an overnight Russian attack on neighboring Ukraine, the first time in the war that a drone had hit a densely populated area in Romania and caused injuries. The incident in Romania, also a member of the European Union, was likely to increase tensions on NATO’s eastern flank at a time when Ukraine’s allies are worried about Russia’s war on its neighbor spilling over its borders. “We condemn Russia’s recklessness, and NATO will continue to strengthen our defenses against all threats, including drones,” a NATO spokesperson posted on X. The drone hit the roof of a 10-storey block of flats in Galati and caused an explosion, the Romanian authorities said. ‘Serios violation of international law,’ Romania says “Initial information indicates that the entire load of the Geran 2 drone, of Russian origin, exploded upon impact,” the defense ministry said in a statement.…