United Airlines flight from Nigeria to Washington, D.C., was forced to return to Lagos after experiencing a technical issue and unexpected aircraft movement.

The authorities in Nigeria said that the United Airlines plane had to return to Lagos, Nigeria, after the episode. Six people were treated at a hospital, officials said.

United Airlines said it was cooperating with U.S. and Nigerian investigators to determine what exactly happened on the flight.

A United States flag carrier, United Airlines flight UA613, outbound from Lagos to Washington, has declared an emergency and returned to Lagos.

In an update, Nigerian officials said an additional 27 passengers and 5 crew members suffered minor injuries in the incident. In all, 38 were hurt.

Passengers aboard United Airlines Flight 613 endured a terrifying ordeal less than two hours into their journey from Lagos to

Dozens of passengers sustained injuries after a Washington-bound United Airlines flight made an emergency return to Lagos for "technical" reasons.

Six people were injured on a flight from Nigeria to Virginia. The airline also saw a series technical issues in March.

United Airlines flight UA613, travelling from Lagos to Washington, US. experienced a mid-flight emergency and returned.

The same United Airlines aircraft had a similar issue earlier this week, with a rapid altitude drop prompting a diversion.

Several passengers onboard the United Airlines flight UA613 sustained injury as the aircraft made an emergency return to Lagos. The Washington bound flight with 245 passengers, eight flight attendants and three pilots made direct return to the Murtala Muhammed International Airport,