An Irish-American family has collected half of the massive winnings from a record US lottery jackpot.

Mark Hill, from Missouri, is a mechanic for a food company and wife Cindy was an office manager until she was laid off two years ago - now they are $580 million better off.

An anonymous person in Arizona holds the other winning ticket.

The Hills have said they'd like to use their winnings to visit Ireland, and to help their family pay off debts.

But mostly, they're just dealing with the shock of the win: