Yemen :A bomb explosion in the sit-in Southern Movement square in Aden

Witnesses said to YemenOnline that unidentified people threw a stun grenade Friday  amid the sit-in Square of the Southern Movement in Aden governorate south of Yemen.

Witnesses said the unidentified people  threw a stun grenade from a small bus, causing panic amid the protesters.

Witnesses added` that no injuries reported so far, while not arrested the culprits who managed to escape.

This is the first incident of its kind in sit-in square  of  hundreds of protestors  in southern Yemen since last October 14  to support of the independence of the south from the north of Yemen.