Election will determine if workers in Bessemer will form the first labor union at an Amazon warehouse in the US.

Amazon has challenged hundreds of ballots in a vote to form a union at one of its warehouses in Alabama in a unionization drive seen as one of the most important labor fights in recent American history.

The election will determine if workers in Bessemer will form the first labor union at an Amazon warehouse in the US.

According to the Retail, Wholesale and Department Store Union, hundreds of ballots were challenged, mostly by Amazon.