The number of Russians entering the European Union has jumped following a partial mobilisation ordered by Moscow, and illegal crossings are likely to increase if Russia closes its border for potential conscripts, EU border agency Frontex said on Tuesday. Following setbacks on the battlefield in Ukraine, Russian President Vladimir Putin announced a partial mobilisation on 21 September, a move that sent thousands of Russians rushing to cross borders into neighbouring countries. “Over the past week, nearly 66,000 Russian citizens entered the EU, more than 30 percent compared to the preceding week…