The iconic Kuwait Towers go totally black as the country starts mourning the death of Kuwait's ruling Emir Sheikh Sabah al-Ahmad al-Sabah, in Kuwait City, Kuwait September 29, 2020.

Cars drive past the main entrance of the Mayo Clinic after Kuwait announced that ruling Emir Sheikh Sabah al-Ahmad al-Sabah had died during treatment at the Clinic in Rochester, Minnesota, U.S. September 29, 2020. Eric Miller. REUTERS

Pilots of a State of Kuwait Airbus A340 jet check their phones before leaving the Rochester International Airportafter Kuwait announced that ruling Emir Sheikh Sabah al-Ahmad al-Sabah had died after treatment, in Rochester, Minnesota, U.S. September 29, 2020.

The Kuwait national flag flies at half-mast as the country starts mourning the death of Kuwait's ruling Emir Sheikh Sabah al-Ahmad al-Sabah, in Kuwait City, Kuwait, September 29,2020.

The Kuwait national flag flies at half-mast as the country starts mourning the death of Kuwait's ruling Emir Sheikh Sabah al-Ahmad al-Sabah, in Kuwait City, Kuwait, September 29,2020.

A car drives into the main entrance of the Mayo Clinic after Kuwait announced that ruling Emir Sheikh Sabah al-Ahmad al-Sabah had died during treatment at the Clinic in Rochester, Minnesota, U.S. September 29, 2020.

Kuwaiti Emir Sheikh Sabah al-Ahmad al-Jaber al-Sabah attends the Gulf Cooperation Council's (GCC) 40th Summit in Riyadh, Saudi Arabia December 10, 2019. Bandar Algaloud/Courtesy of Saudi Royal Court/Handout via REUTERS . Image used for illustrative purpose.

An Airbus A340-500 jet leaves the Rochester International Airport after Kuwait announced that ruling Emir Sheikh Sabah al-Ahmad al-Sabah had died after treatment, in Rochester, Minnesota, U.S. September 29, 2020.

Workers load containers for a State of Kuwait Airbus A340 jet before it leaves the Rochester International Airport after Kuwait announced that ruling Emir Sheikh Sabah al-Ahmad al-Sabah had died after treatment, in Rochester, Minnesota, U.S. September 29, 2020.

People enter the main entrance of the Mayo Clinic after Kuwait announced that ruling Emir Sheikh Sabah al-Ahmad al-Sabah had died during treatment at the Clinic in Rochester, Minnesota, U.S. September 29, 2020.

The Kuwait national flag flies at half-mast as the country starts mourning the death of Kuwait's ruling Emir Sheikh Sabah al-Ahmad al-Sabah, in Kuwait City, Kuwait, September 29,2020. Image used for illustrative purpose.Stephanie McGehee. REUTERS Image used for illustrative purpose.

Workers load a State of Kuwait Airbus A340 jet that prepares to leave the Rochester International Airport after Kuwait announced that ruling Emir Sheikh Sabah al-Ahmad al-Sabah had died after treatment, in Rochester, Minnesota, U.S. September 29, 2020.

Workers load a State of Kuwait Airbus A340 jet that prepares to leave the Rochester International Airport after Kuwait announced that ruling Emir Sheikh Sabah al-Ahmad al-Sabah had died after treatment, in Rochester, Minnesota, U.S. September 29, 2020.

The Kuwait national flag flies at half-mast as the country starts mourning the death of Kuwait's ruling Emir Sheikh Sabah al-Ahmad al-Sabah, in Kuwait City, Kuwait, September 29,2020.

The Kuwait national flag flies at half-mast as the country starts mourning the death of Kuwait's ruling Emir Sheikh Sabah al-Ahmad al-Sabah, in Kuwait City, Kuwait September 29, 2020.

Workers load a State of Kuwait Airbus A340-500 jet that prepares to leave the Rochester International Airport after Kuwait announced that ruling Emir Sheikh Sabah al-Ahmad al-Sabah had died after treatment, in Rochester, Minnesota, U.S. September 29, 2020.

An Airbus A340-500 jet prepares to leave the Rochester International Airport after Kuwait announced that ruling Emir Sheikh Sabah al-Ahmad al-Sabah had died after treatment, in Rochester, Minnesota, U.S. September 29, 2020.

A man looks at a State of Kuwait Airbus A340-500 jet that prepares to leave the Rochester International Airport after Kuwait announced that ruling Emir Sheikh Sabah al-Ahmad al-Sabah had died after treatment, in Rochester, Minnesota, U.S. September 29, 2020.

A patient shuttle arrives at the main entrance of the Mayo Clinic after Kuwait announced that ruling Emir Sheikh Sabah al-Ahmad al-Sabah had died during treatment at the Clinic in Rochester, Minnesota, U.S. September 29, 2020.