(CNN)--British lawmakers want answers over a huge phone hacking scandal, and they want media mogul Rupert Murdoch to do the explaining.
Lawmakers have asked that Murdoch, his son James, and former News of the World editor Rebekah Brooks testify next week.
This after former British Prime Minister Gordon Brown said he was a victim of hacking.
He believes News International employees illegally obtained banking and other information about him.
Senior execs at News International say Murdoch's company will cooperate, although it did not specify names.
A parliament official said the three are scheduled to appear next Tuesday.
If they don't answer the summons, lawmakers say parliament can compel them to do so.
Murdoch is in London now, flying there hours after the last edition of News of the World hit stands on Sunday.
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