KUWAIT: Kuwait's 84-year-old ruler Sheikh Sabah Al-Ahmad Al-Sabah has undergone a "successful minor surgery" at a hospital in the United States, KUNA reported on Sunday.

Sheikh Sabah, who has ruled the Gulf country since 2006, earned respect in the Middle East for rebuilding ties in the region after Iraq's 1990 invasion of his country.

KUNA said Sheikh Sabah would remain in hospital for "the normal period of recuperation.