Niagara Falls police detectives and fire investigators are trying to determine the cause of a Monday night fire on 8th Street that damaged two vacant homes. Emergency crews responded to the 700 block of 8th Street around 8 p.m. for the blaze. The Buffalo Fire Department is investigating a fire that broke out on Mohr Street early Tuesday morning. According to officials, around 5:30 a.m., firefighters responded to 95 Mohr Street and found the two-story vacant home engulfed in flames. They've determined it's a case of arson. The Town of Niagara is moving to eliminate its two-tier property tax system and replace it with a single rate for both residents and business property owners. The historic Erie Canal Boat Seneca Chief will return to Buffalo this Saturday after completing a statewide voyage marking the start of free public programming at Canalside.The Bills formally opened the new Highmark Stadium with a ribbon cutting Tuesday morning. The event follows three years of construction.