The Polish Border Guard told CNN that Saturday's figure of of 739 attempted crossings was the most so far for a single day. They're the latest in a weeks-long migration crisis at the border, for which Poland imposed a state of emergency last month. Approximately 16,000 attempts to illegally cross the Polish-Belarusian border have been stopped since August, Poland's border agency has said. Of those, 5,000 took place in October. The crossing could become increasingly dangerous as the seasons change. […]