Saudi Arabia's Energy Minister has pledged an "equally serious" response to deadly strikes by Houthi rebels on Riyadh's International Airport. One person was killed, and 11 were injured in the latest Houthi attack. Houthi-run television says that the Saudis have struck back, hitting Sanaa Airport. The Houthis are attacking Saudi Arabia over its support for government forces in Yemen's civil war. #Saudi #Houthi #Riyadh #Brighton #C4News #Channel4News