A dozen of the nation’s 372 metropolitan areas had unemployment rates in June of at least 15%, led by El Centro, Calif., where the jobless rate hit 27.6%, the Labor Department said Wednesday. Ten of them were in California.

At 26.4%, the jobless rate in Yuma, Ariz. was the second highest. It also notched the largest year-over-year increase, up 2.9 percentage points.

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