Less than one hour after takeoff en-route from Kuala Lumpur to Beijing, Flight MH370 with 239 passengers on board vanished - becoming one of the world's greatest aviation mysteries.

Malaysian authorities have classified it as an "accident", with passengers and crew presumed dead.

One year on, while the search continues in the southern Indian Ocean, angry relatives say they are no closer to finding out what happened to their loved ones.

101 East investigates the latest leads and asks, could MH370's disappearance have been avoided?

Join the conversation @AJ101East.

Source: Al Jazeera