Crews from both sides of the St. Croix River responded to a water call Friday after a boat burst into flames. Hudson Fire Department Co. 1 posted a brief video of the scene, depicting a fully engulfed boat on the St. Croix River.Hudson firefighters were assisted by Stillwater Fire Department, St. Croix EMS & Rescue, the St. Croix County Sheriff’s Office, Hudson police and others. Media reports indicated no one was injured in the fire.