The family of MH370 passenger New Zealander Paul Weeks is suing Malaysia Airlines in an Australian court for the "sudden shock" and "mental harm" they suffered after the plane vanished, a report said Sunday.

Weeks, who was based in the West Australian city of Perth, was one of 239 people on board the Boeing 777 Kuala Lumpur-Beijing flight when it disappeared on March 8, 2014 .

Weeks' wife, mother, brother and sister were separately suing the flag carrier in the Supreme Court of Western Australia, according to Perth's The Sunday Times, citing five writs lodged on March 4 .

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