On the occasion, Prime Minister Pham Minh Chinh also cabled a similar message to his Cambodian counterpart Samdech Thipadei Hun Manet.
The same day, Foreign Minister Bui Thanh Son extended his sympathy to Cambodian Deputy Prime Minister and Minister of Foreign Affairs Sok Chenda Sophea.
The explosion at a base in south-western Cambodia killed 20 soldiers and wounded several others.
Four buildings – three for storage and one work facility – were destroyed and several military vehicles damaged, Col Youeng Sokhon, an army officer at the site, said in a brief report to army chief Gen Mao Sophan posted on social media./.