The largest U.S. business group on Friday urged President Joe Biden him to intervene immediately and appoint an independent

mediator to address a West Coast ports labor dispute.

More than 22,000 dockworkers at ports stretching from California to Washington state have been working without a contract since July. U.S. Chamber of Commerce President Suzanne Clark in a letter to Biden cited "continued and potentially expanded service disruptions at these ports heading into peak shipping season."

(Reporting by David Shepardson; Editing by Chizu Nomiyama)