A member of Najib Abdul Razak’s legal team has urged the government to confirm the existence of a document purported to be an addendum to a royal pardon that allows the former premier to serve the remaining of his six-year jail term under house arrest.

Speaking to Malaysiakini, Muhammad Farhan Muhammad Shafee said this follows the discovery on social media of what was claimed to be portions of the addendum.

“It is hard for us to verify the authenticity of the document at this...