Johnson supported the Saudi Arabian-led intervention in Yemen and refused to block UK arms sales to Saudi Arabia, saying there is no clear evidence of breaches of international humanitarian law by Saudi Arabia in the war in Yemen.
约翰逊曾支持沙特阿拉伯对也门的干涉，拒绝阻止英国向沙特阿拉伯出售武器，称沙特阿拉伯在也门战争中没有违反国际人道主义法的明确证据。