Rosmah Mansor, the wife of jailed former prime minister Najib Abdul Razak, has vowed to defend herself against the suit filed by Lebanese jewellery firm Global Royalty Trading SAL over 43 missing pieces of jewellery.

Law firm Reza Rahim & Rajivan, which is representing Rosmah, said: “Our client shall vigorously resist and defend the suit filed against her.”...