Toys “R” Us Inc. plans to close another 200 stores and lay off a significant portion of its corporate staff following a disappointing holiday sales season, according to people familiar with the matter.

The Wayne, N.J., retailer recently had announced plans to close about 180 stores, affecting approximately 4,500 workers. The latest wave of closings would cut nearly in half the number of U.S. stores it had before its bankruptcy filing, the people said.

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