A historic church in New York City was destroyed in a raging fire just hours after its Orthodox worshippers celebrated Easter.The fire that started at 7 p.m. Sunday at the Serbian Orthodox Cathedral of St. Sava in Manhattan sent plumes of smoke billowing into the city's skyline.The fire was largely extinguished three hours later, but firefighters had to beat back small pockets of flames. Authorities didn't disclose the cause of the fire, which completely destroyed the church's roof.