Altamont’s firehouse siren blasted at 8:46 a.m., marking the time Flight 11, hijacked by terrorists, crashed into the North Tower of the World Trade Center on Sept. 11, 2001.

Last Sunday morning, Sept 11, Westmere Fire Department as well as McKownville and Altamont Fire Departments set off their sirens at 8:46 a.m. to signify when the first plane struck the World Trade Center in New York City. Knox also held a ceremony.