Malaysia's military chief has told reporters a radar detection in the Malacca Strait - off the west coast of Malaysia - could be that of the missing aircraft.
Rodzali Daud said the reading, which he explained needed to be corroborated, happened 45 minutes after the plane disappeared.
A mother has described her frustration as she waits for answers on the fate of her missing son who is on board the missing Malaysia plane.
Malaysia's military believes a jetliner missing for almost four days turned and flew hundreds of kilometres to the west.
The wife of a passenger travelling on the missing Malaysia Airlines flight has spoken of her struggle to cope as she waits for news.