An Ohio-based charity that the United States government said is linked to Hamas is demanding that officials unfreeze its assets.
Attorneys for Kindhearts for Charitable Humanitarian Development sued Thursday in federal court in Toledo. The charity said the government has not given it a chance to defend itself.
The Treasury Department in 2006 ordered US banks to freeze the charity's assets.
The government said it was funneling money to organizations affiliated with the militant Islamic group Hamas.
Kindhearts denies any terrorist connections.
The Treasury Department did not return a message left Thursday by the Associated Press.