CAIRO - Former Tunisian president Zine al-Abidine Ben Ali, who fled to Saudi Arabia in January, will be tried in absentia on June 20, the country's interim prime minister said on Monday."Ben Ali's trial will start on June 20," Beji Caid Sebsi said in an interview on Al Jazeera television. "He will be tried in a military and in a civilian court."Ben Ali fled to Saudi Arabia after he was toppled by mass protests on Jan. 14 after 23 years in power. Several members of his family and security and some of his closest allies were detained shortly after he was forced out.