Saudi Arabia's GDP is expected to shrink by 3.3 percent, the International Monetary Fund said in its latest World Economic Outlook report, predicting a regional drop over Iran's blockading of the Strait of Hormuz.
The report was compiled before 13 people were killed on Saturday -- the deadliest attack in Saudi Arabia in more than a decade -- during a series of lethal Houthi strikes on Riyadh's international airport.
The kingdom was already facin…