Tunisian shopkeeper Aghmi Bubaker doesn't need to be told that he is experiencing the worst threat yet to his 40-year career in tourism — the bullet hole in his battered green Mercedes Benz is a daily reminder.

Last Friday when a gunman attacked the Imperial Marhaba hotel in Sousse in the name of Islamist militancy, Bubaker rushed dozens of holidaymakers into his store until the shooting — in which 39 foreign tourists were killed — was over.

Now, looking at his car and bullet holes in nearby walls, Bubaker wonders whether his country's tourism industry is at an end too. Thousands have left the North African country since Friday and the government estimates the sector will lose $500 million this year — a quarter of last year's total revenues.