The head of the mission, the controversial Sudanese General Mohammed al-Dabi, submitted his resignation earlier on Sunday.
BBC: Syria unrest: Arab League 'seeks peacekeeping mission'
2.
There has also been criticism of the head of the monitoring team, Sudanese Gen Mustafa al-Dabi - who is regarded by some as biased towards the Syrian government.
BBC: Syria unrest: Arab League calls for end to shooting