EMT-hero dad dies of heart attack

A Queens, New York, EMT who had saved at least two lives while off duty died suddenly after suffering a heart attack as he unpacked his car, his devastated wife said yesterday. Wendell O'Brien, 42, who had been with the FDNY since 2001, had just returned home from Florida with his wife, Marcia, and children, Wendell Jr., 13, and Amanda, 11, when tragedy struck Monday