Celebrations due to be held in Idaho, the hometown of US army Sgt Bowe Bergdahl, have been cancelled.
Bergdahl was released after five years in Taliban captivity amid controversy over the circumstances surrounding his capture.
More top news
The alleged hacking follows reports of similar attacks on other Democratic organisations, amid fears of state-sponsored hacking.
One lucky ticket holder based in the UK has won a cool £61 million jackpot in the EuroMillions lottery game.
A crowdfunding campaign has been set up to raise money needed for a legal battle to bring home Michael Sandford.