STERLING, Va. (DC News Now) -- A United Airlines flight bound for Washington Dulles International Airport had to turn back to Nigeria Friday after a technical issue with the plane injured multiple people, according to the airline. The Federal Airports Authority of Nigeria (FAAN) said a United Airlines Boeing 787-800 airplane left Murtala Muhammed International Airport (MMIA) in Lagos, Nigeria, at about midnight. A few hours later, it had to return to MMIA, landing at about 3:20 a.m. United Airlines told DC News Now that the return was due to a "technical issue and an unexpected aircraft movement." There were 245 passengers and 11 crew members on board. Republican congressman introduces bill to rename Washington Dulles International Airport after Trump The FAAN said four passengers and two crew members sustained serious injuries. In contrast, United Airlines said in a statement that the six people had minor injuries and have since been released from the hospital. The FAAN also said that twenty-seven passengers and five crew members suffered minor injuries and that first responders and a medical team were already at the scene when the plane landed. According to the aviation authority, the aircraft did not sustain significant damage. Regarding the technical issue, United Airlines said they "are working with aviation authorities in the U.S. and Nigeria to understand the cause."