The Treasury Department has axed a string of contracts with consulting giant Booz Allen Hamilton over a former employee's leaks of the tax returns of President Donald Trump -- along with Jeff Bezos and Elon Musk -- to news outlets.

WASHINGTON, Jan 26 (Reuters) - The U. S. Treasury Department said on Monday it had canceled all of its contracts with Booz Allen Hamilton, accusing the company of failing to protect sensitive data, including at the Internal Revenue Service.