Another resident, J Hurd, tweeted: “BOE representative at polling place claims there's a ‘machine error’ and a ‘technician is on their way’ - sounds like fraud! #NYPrimary #ps73”

The same complaint was made at another Brooklyn site, 501 Carlton Avenue. One woman claimed she waited more than three hours to vote at a Brownsville polling station at PS 332. “I have been here since 5.50 am. Still cannot vote. Machines are not up and there are no paper ballots,” @LammyGwanBadSuh tweeted.

Another woman said a faulty scanner eliminated her vote. “Am mad as hell for my vote not being counted b/c scanner would not accept ballot Brooklyn District 30 #NYPrimary #fixit #educatevolunteers,” @heidiko44 tweeted.

And when Jonathan Petersen went to vote at Sunset Park’s Marien-Heim senior center polling station on 4th Avenue, he was shocked to see his deceased mother’s name above his.

“All of a sudden, she’s on the voter rolls at my address, where she has never lived,” said Mr Petersen, 63. He told The New York Post his mother died in 2010 and had not voted for a decade prior to her death.

“I pointed it out to the woman and she wrote deceased next to her name. They didn’t even ask me to prove that she was dead.

“Is it possible that someone has been voting using her name for a few years?”