The corporal was hit during a patrol in the Saudi border district of Najran, a ministry spokesperson said.
Yemen’s Aden governor assassinated
More than 90 civilians and soldiers have died in shelling and skirmishes along the frontier since last March, when the coalition launched a military intervention in Yemen.
The coalition is backing Yemen's government against Iran-supported Shia Huthi rebels and their allies who overran the capital Sanaa in September 2014.
Drone strike kills four al Qaeda suspects in Yemen
In Yemen itself, the United Nations says more than 6,100 people have been killed in the fighting since March, about half of them civilians.
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