Hurricane Kirk strengthens into Category 3 storm in the Atlantic and is expected to grow more powerful, forecasters say (CORRECTS: A previous APNewsAlert erroneously reported Kirk becoming a Category 2 storm)

MIAMI (AP) — Hurricane Kirk strengthens into Category 3 storm in the Atlantic and is expected to grow more powerful, forecasters say (CORRECTS: A previous APNewsAlert erroneously reported Kirk becoming a Category 2 storm).