![Danish spy chiefs believe the men were passing information to Saudi agents [Andreas Mortensen/Reuters]](https://www.aljazeera.com/mritems/imagecache/mbdxxlarge/mritems/Images/2020/2/3/ecc8834f0ff94df780475301736c7636_18.jpg)
Three leading members of an Iranian Arab opposition group have been arrested in Denmark on suspicion of spying for Saudi Arabia.
The three members of the Arab Struggle Movement for the Liberation of Ahvaz (ASMLA) had already been charged by Danish police for supporting an attack in Iran in 2018.
