Flight operations disrupted after Houthis attack Saudi Arabia's Riyadh with missiles

Tensions have soared in the Middle East after Houthis attacked Saudi Arabia's capital, Riyadh, with ballistic missiles, prompting a travel advisory and disrupting air travel in the region. Flight operations to and from King Khalid International Airport in Riyadh were disrupted on Saturday after smoke was seen near the airport. US has issued a security alert, citing possible flight cancellations.