A federal judge on Tuesday blocked the proposed $25 billion merger between Albertsons and Kroger, agreeing with the Federal Trade Commission (FTC) that the deal would undermine competition in the grocery industry.

U.S. District Judge Adrienne Nelson said that the plan put forward by the two companies to reduce grocery prices and divest more than 500 stores failed to address concerns about reduced competition in the sector and the impact it could have on consumers and workers.

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