Attorneys for Amazon and Elon Musk's SpaceX have argued in a federal appeals court that the National Labor Relations Board's structure is unconstitutional.

Rep. Sean Duffy served in the House for nearly nine years, was a member of the Financial Services Committee and was chairman of the subcommittee on insurance and housing.

The US authorities said on Wednesday that the China-linked hackers intercepted surveillance data which was intended for the law enforcement bodies of the US.