Thousands of South Korean tourists stranded on Japan's quake-hit island of Hokkaido are due back home this weekend after international flights resumed from the island's airports.<br /> Seoul's foreign ministry says it requested cooperation from the relevant Japanese authorities to help the roughly three-and-half-thousand Koreans who had be stuck there since Thursday's six-point-seven magnitude earthquake.<br /> Korean Air and Asiana Airlines added two additional flights each,... on top of their regularly scheduled flights to and from Sapporo.<br />The foreign ministry also confirmed that no South Korean nationals were killed or injured in the quake. <br />