Aden: A suicide bomber in southern Yemen gravely wounded three members of the separatist Southern Movement on Friday in an attack in Lahij province, the group and a local official said.

The bomber detonated an explosives belt as activists’ cars headed for the port of Aden for a demonstration on Saturday marking the independence of the former South Yemen.

A Southern Movement source said the attack took place in Al Askariya district of Lahij.

The bomber was killed “and three members of the Southern Movement were gravely wounded and evacuated towards Aden to be hospitalised”, the source said.

A local official confirmed to AFP that three people had been seriously wounded in the attack, for which there was no immediate claim of responsibility.

The southern question has been a major stumbling-block in a Yemeni national dialogue launched in March, with hardline factions of the Southern Movement demanding secession and boycotting the talks.

Secessionists have called for a major rally to be held in Aden on Saturday in support of their demands, activists say.