Four people have been arrested on suspicion of conspiracy to defraud, conspiracy to launder money and possession of an explosive.
The two men and two women were detained as part of an investigation led by the Metropolitan Police's new Cyber Crime Unit.
The men are currently in custody at a central-London police station and the women have been bailed to return on a date early next year.
More top news
Doctors have recommend Peter Sutcliffe be moved to high security prison, but the final decision will be taken by the justice secretary.
Last minute suspension of strike action has meant thousands of cancelled procedures will still not go ahead.
Children in the North and the Midlands are less likely to get a good secondary education than those in the South, schools inspector to say.