The Ukrainian-made AN-74 aircraft crashed Saturday in Xiangkhouang province.
Defense Minister and Deputy Prime Minister Maj. Gen. Douangchay Phichit and his wife reportedly died in the crash, as well as National Assembly President Pany Yathotou.
Among the dead were also the minister of public security, the mayor of Vientiane and a regional governor.
The group was traveling to Xiangkhouang to take part in the memorial of a historic battle.
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