Kuwaiti Emir Sheikh Sabah Al-Ahmad Al-Jaber Al-Sabah and his accompanying delegation left here and headed to the US on a private visit. He was seen off at Heathrow International Airport by Kuwaiti National Assembly (parliament) Speaker Jassem Al-Kharafi, Sheikh Shamlan Jarrah Al-Sabah, Kuwaiti Ambassador to the UK Khalid Al-Dwaisan and other Kuwaiti diplomats in the UK, KUNA reported.