One crew member was in intensive care after engine problems and smoke in the cabin and cockpit forced the landing, the airline said.

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Dollar Tree said it has named Michael Creedon Jr. as the discount retailer’s permanent chief executive, removing the interim tag he has carried since early November.

The action comes over contract negotiations and the company’s refusal to recognize the Teamsters labor union.

An experimental Parkinson’s drug missed its primary goal in a mid-stage trial, Roche said, in what is the second setback this week for candidate treatments for the neurodegenerative condition.

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