NEW YORK (AP) - Target is offering a store discount and free credit monitoring after what's being called the second-largest credit card breach in U.S. history.

The Minneapolis-based discounter says it will offer 10 percent off for people who shop Saturday and Sunday.

Target says it's heard of "very few" reports of fraud since thieves stole the credit and debit card information of about 40 million shoppers. But the chain is continuing to reach out to customers.

Some potential fraud victims say they're having trouble getting in touch with Target through its website and call centers. CEO Gregg Steinhafel apologized Friday and says the company is working hard to resolve the issues.

Target hasn't disclosed exactly how the breach occurred but says it has fixed the problem.

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