U.S. Blocks $6 Billion in Iran Funds From Prisoner Deal Over Hamas Concerns

U.S. and Qatar have agreed to deny Iran access to $6 billion in funds from recent prisoner deal.

Funds were under supervision for humanitarian purposes only.

Move comes amid criticism that releasing funds freed up money for Iran to support Hamas.

Unclear if funds cut off permanently or interim step as admin gathers more info.

Decision appears to reverse earlier Biden admin insistence that funds were separate from Hamas attack.