NEWBURGH, N.Y. (WPVI) -- Two teenagers were killed after a shooter opened fire on multiple people at a Halloween party in New York.Newburgh police received numerous calls around 1 a.m. Sunday about people shot at a party.According to reports, seven people in total were shot.One teenager was pronounced dead at the scene. The other teen died at St. Lukes Cornwall Hospital.Newburgh detectives are being assisted in their investigation by state police and the Orange County district attorney's office.