A Korean Air flight to Taiwan was forced to return to Incheon airport west of Seoul after a sudden depressurization on the plane, a Boeing 737 Max 8, the transport ministry said Tuesday. The ministry said 19 of the 133 people aboard the flight Saturday were sent to hospitals due to ear pain and nosebleeds, but none suffered serious injuries. Separately, Malaysia Airlines said one of its flights en route to Bangkok on Monday made a U-turn back to Kuala Lumpur after the Airbus A-330 experienced a “pressurization issue.” Malaysia Airlines said its pilots initiated an emergency descent even though...