US opens probe into sudden movement on United Airlines flight from Nigeria

The U.S. National Transportation Safety Board said on Monday it is investigating a United Airlines flight on Friday from Lagos, Nigeria to Washington D.C., in which a sudden aircraft movement led to injuries of passengers and cabin crew. The NTSB said the incident on United Flight 613 occurred as the Boeing 787 was flying in Ivory Coast airspace. Aviation officials in Ivory Coast delegated the investigation to the NTSB, which will issue a preliminary report within 30 days, the agency said.