The Saudi Press Agency reported yesterday that the Lance Cpl. Ismail Mohammed Ibrahim Sindi was killed by the shelling targeting the kingdom's Jazan region.
The agency said "the border guard dealt with the situation accordingly," without elaborating.
A Saudi-led coalition has been targeting Shiite rebels in Yemen, known as Houthis, since March 26. Cross-border shelling has killed Saudi border guards and soldiers amid the campaign.
International aid groups say Yemen's war has killed up to 2,000 people and wounded 8,000. The UN estimates at least 1,037 civilians have been killed.