King Salman received a written message from Kuwait's Emir Sheikh Nawaf Al-Ahmad Al-Jaber Al-Sabah on Friday.
Foreign Minister Prince Faisal bin Farhan in Riyadh recieved the message when he received Sheikh Dr. Ahmed Nasser Al-Mohammad Al-Sabah, minister of foreign affairs and acting minister of information of Kuwait.
Later, Prince Faisal saw the Kuwaiti minister off on his departure from Riyadh.
Also on Friday, King Salman and Crown Prince Mohammed bin Salman sent letters to the Algerian president after he tested positive with the coronavirus.
They wished Abdelmadjid Tebboune a speedy recovery after he stayed in hospital in Germany.