SINGAPOREAN PRIME MINISTER LEE HSIEN LOONG AND ACCOMPANYING DELEGATION LEFT RIYADH TONIGHT, CONCLUDING A STATE VISIT TO THE KINGDOM. AT KING KHALID INTERNATIONAL AIRPORT, HE WAS SEEN OFF BY KHALID BIN MOHAMMED AL-QUSAIBI, MINISTER OF ECONOMY AND PLANNING; SAUDI AMBASSADOR TO SINGAPORE MOHAMMED AMEEN KURDI; SINGAPOREAN AMBASSADOR TO THE KINGDOM V. P. HEROPLAN AND A REPRESENTATIVE OF THE ROYAL PROTOCOL.