Many social media users had commented and liked the 2nd Letter of Iran Supreme Leader Ayatollah Seyyed Ali Khamenei to the Youth in Western Countries.
There is growing concern that hundreds of Tunisian young volunteers have been recruited through a widening network of extremist Salafist groups and then trained to fight in Syria besides al-Qaeda linked groups.
Some 2,000 protesters including youths and leftists have held a sit-in the Jordanian capital, rejecting as "cosmetic" a general election due to be staged next week.