A 61-year-old man died after being pulled into an active MRI machine while wearing a heavy metal chain at a clinic in New York.

The family of Keith McAllister, who who died after being sucked into an MRI machine on Long Island last week, is sharing new heartbreaking details about what happened.

The man was wearing a large metal necklace when he entered a room where the machine, which uses a powerful magnetic field to create images, was operating.