A deep-sea search for Malaysia Airlines Flight 370 began in the Indian Ocean on Wednesday, reviving efforts to solve one of aviation’s greatest mysteries more than a decade after the jet vanished with 239 people on board.

The search for Malaysia Airlines flight MH370 will resume on December 30, more than 11 years after the plane vanished with 239 people on board during a flight from Kuala Lumpur to Beijing on March 8, 2014.

The US and UK-based maritime exploration firm Ocean Infinity has resumed the hunt for missing Malaysia Airlines flight MH370, which disappeared en route from Kuala Lumpur to Beijing on March 8, 2014, officials and media reports said on Tuesday.

The Malaysian government has agreed in principle to restart the search for Malaysia Airlines Flight MH370, which disappeared nearly 10 years ago, in one of aviation's most enduring mysteries.

A Malaysia Airlines aircraft, flying from London to Kuala Lumpur, made an emergency landing at Heydar Aliyev International Airport in Baku due to a passenger experiencing a sudden health emergency, reportedly a heart attack, News.Az reports citing the airport’s press service.