Peter Gelb, the Met’s general manager, said a security guard was absent from his post when two people climbed onstage at a performance of “Carmen.” ...

A self-described comedian-activist was one of three protesters whose demonstration against “fascism” in the “art world” interrupted the Metropolitan Opera in Manhattan last week, The Post has learned.

Shortly before Matthew Christopher Pietras’s body was discovered, the Metropolitan Opera had been told that the $10 million he had just donated did not belong to him. By Julia Jacobs He was a regular ...