ELLENVILLE — A Brooklyn man was accused of striking one of two combatants in a fight Thursday, causing him to suffer life-threatening injuries, police said.The Ulster County Sheriff’s office said the unidentified victim was flown to Westchester Medical Center in Valhalla, where he remained in critical condition as of Friday afternoon.According to the sheriff’s office, the victim and another combatant were fighting at the intersection of Route 209 and [...]