On the third day of Husayn Pasha 's march , the Bedouin tribesmen launched their assault on the caravan at Hallat Ammar ( on the Tabuk - Ma'an highway at the border between modern - day Jordan and Saudi Arabia ) .
On the third day of Husayn Pasha 's march , the Bedouin tribesmen launched their assault on the caravan between Tabuk and Dhat al - Hajj . 
 According to historian F. E. Peters , the site of the assault was Hallat Ammar ( on the Tabuk - Ma'an road at the border between modern - day Jordan and Saudi Arabia ) .