Houthi rebels have targeted Saudi Arabia's international airport and state oil company Saudi Aramco, disrupting thousands of flights and killing 19 people in Saudi Arabia

From the articleAt least 18 killed in Houthi attack on Yemeni government training camp in Shabwa, sources sayAlso in At least 18 killed in Houthi attack on Yemeni government training camp in Shabwa, sources say, 20 killed in Southern Yemen as Houthi rebels strike government military camp