NEW YORK CITY — The Sikh community will hold a prayer vigil at Union Square Wednesday night as Sikhs nationwide continue to mourn the lives lost during the fatal shooting in Oak Creek, Wisconsin. Plans for the event come following the FBI's announcement that the gunman they said shot six people dead, Wade Michael Page, acted alone. FBI officials added that Page died of a self-inflicted gunshot wound to the head, clarifying previous beliefs that an officer on the scene took down the suspect.