"The health care reform legislation passed by the U.S. House of Representatives last night clearly violates the U.S. Constitution and infringes on each state's sovereignty," Florida Attorney General Bill McCollum, a Republican, said in a prepared statement announcing a news conference.

MIAMI, March 22 (Reuters) - Florida's attorney general will file a lawsuit with nine other state attorneys general opposing the healthcare legislation passed by Congress, a spokeswoman said on Mon

"On behalf of the State of Florida and of the Attorneys General from South Carolina, Nebraska, Texas, Utah, Pennsylvania, Washington, North Dakota, South Dakota and Alabama if the President signs this bill into law, we will file a lawsuit to protect the rights and the interests of American citizens." (Reporting by Michael Connor, Editing by Chizu Nomiyama)