The New York City Police Department shut down a surprise performance by pop star Lorde, which would've promoted the New Zealand singer-songwriter's new song "What Was That" for fans who gathered in droves inside the city's Washington Square Park.

Lorde premiered her new single 'What Was That' in New York's Washington Square Park Tuesday, two hours after police had shut down the gathering.

She sang her upcoming single 'What Was That' In Washington Square Park Singer Lorde shared an Instagram Story on Tuesday, April 22, inviting fans to attend her 7 p.m. performance in New York's Washington Square Park Before the scheduled start time,