The Football Association (FA) said:
The FA has been made aware of developments in relation to an ongoing NCA (National Crime Agency) investigation, including a number of further arrests.
We are liaising with the authorities in relation to these allegations.
The FA will make no further comment at this time.
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.