President Truong Tan Sang on July 16 cabled a message of condolences to his Russian counterpart Vladimir Putin over a serious metro accident in the capital city of Moscow.

The same day, Chairman of the Hanoi People’s Committee Nguyen The Thao also offered his sympathy to Moscow Mayor Sobianhin Sergey Semionovich.

The derailment on the Moscow metro occurred on July 15, killing at least 21 people and injuring more than 130 others.-VNA