Deputy Prime Minister Wan Azizah Wan Ismail said that her husband Anwar Ibrahim had a special procedure and that it had one well.
She told members of the media that Anwar was resting now and the doctors had advised that he stop having visitors for awhile.
The de facto Pakatan Harapan leader had suffered a severe prolapsed disc and was warded at the University Malaya Medical Centre (UMMC) on Saturday night.