WARSAW, Poland—Polish police said Saturday that the body of a young Syrian man was found in the woods near the border with Belarus, the latest victim in a political standoff at the European Union’s eastern border. The regime in Minsk has for months been encouraging illegal migration across its border into the EU nations of Poland, Lithuania, and Latvia. All three countries are reinforcing their frontiers, seeking to block the newly opened migration route, and the situation is growing more dangerous as winter approaches. Polish police said the body of a Syrian man about 20 years old was found a day earlier near the village of Wólka Terechowska. They said the exact cause of death could not be determined and that an autopsy would be performed. It brings the death toll now to at least nine reported victims in the migration encouraged by Belarus’ longtime President Alexander Lukashenko. Many of …