WASHINGTON (Reuters) - U.S. President Donald Trump signed into law a massive package of tax and spending cuts at the White House on Friday, staging an outdoor ceremony on the Fourth of July holiday that took on the air of a Trump political rally.

House passes Trump-backed bill, tightening his grip on the Republican Party despite backlash over debt and cuts to Medicaid.

President Donald Trump signed his package of tax breaks and spending cuts into law Friday in front of Fourth of July picnickers after receiving almost unanimous Republican support in Congress for the domestic priority that could cement his second-term legacy.