VIDEO: Three homes on 20th Street in Niagara Falls were damaged following an explosion and house fire Wednesday night, according to officials from National Fuel. The explosion and fire occurred around 5:30 p.m. at 820 20th St. Adjacent homes located at 824 and 816 20th St. also sustained damage. Video of the explosion obtained by WIVB News 4 shows occupants fleeing the house seconds before the explosion. WIVB News 4 spoke with a woman who lives in the house, who said she smelled gas right before the explosion occurred as she returned home. One person was in the house at the time of the explosion but was not injured. National Fuel said in a statement that the situation has been made safe, later stating Thursday morning that there was “no indication of any malfunctions or leaks” in the residence’s natural gas facilities.