Dhaka, Oct. 14 -- Despite possessing one of the world's most expensive arsenals filled with American warplanes and missile defence systems, Saudi Arabia has appeared helpless against missile and drone barrages fired by Yemen's Houthi group.

Recent strikes on Saudi airports killed at least 14 people and forced residents, schoolchildren, and businesspeople to work remotely, according to NBC News.

CCTV footage from Saturday showed passengers taking cover as smoke filled part of King Khalid International Airport in Riyadh following a strike.

The Iran-backed Houthis, once seen as little more than a ragtag militia, have grown into a formidable fighting force, the American broadcaster said.

They have damaged the region's top oil producer, th...