VOV.VN - Doan Tuan Nghia, a 6th-grade student at Vo Thi Sau Secondary School in Hai Phong, triumphed over contestants from 30 countries to claim a gold medal at the Hong Kong International Mathematical Olympiad (HKIMO) with an impressive score of 135/150, the contest’s organizers announced on September 5.

VOV.VN - Governor-General of Australia Sam Mostyn and her spouse are due to pay a state visit to Vietnam from September 9-12.