Iran’s Revolutionary Guards vow to avenge military parade attack
![Iran’s Revolutionary Guards vow to avenge military parade attack](http://cdn.tabnak.ir/files/fa/news/1397/7/2/938502_854.jpg)
Iran’s elite Revolutionary Guards vowed to exact “deadly and unforgettable” vengeance for an attack on a military parade that killed 25 people, including 12 of their comrades, and Tehran accused Gulf Arab states of backing the gunmen, Reuters reports.