Former prime minister Najib Abdul Razak and his wife Rosmah Mansor filed their defence to Deepak Jaikishin's RM676 million lawsuit today, and will also file an application to strike it out.

The carpet trader is suing Najib and Rosmah, along with two other companies – Boustead Holdings Sdn Bhd and its subsidiary Bakti Development Wira Sdn Bhd – for conspiracy and interfering in a property deal that purportedly caused his company to suffer huge losses.

Lawyer David Mathews, representing Najib and Rosmah, said he had informed Kuala Lumpur High Court judge Azimah Omar on his clients' intention to file the striking-out application...