BusinessHearing on objections to Amazon union election to start May 7 -labor group Reuters 1 minute read Banners are placed at the Amazon facility as members of a congressional delegation arrive to show their support for workers who will vote on whether to unionize, in Bessemer, Alabama, U.S. March 5, 2021. REUTERS/Dustin Chambers The labor group that did not secure enough votes from Amazon.com Inc (AMZN.O) warehouse workers in Alabama to form a union said on Monday the hearing on its objections to the election is set to start on May 7, citing a government filing. The U.S. National Labor Relations Board did not immediately respond to a request for comment.