The United Nations says Syria poses too much of a risk for observers . The head of the mission says violence has intensified in the last few days . The escalation is limiting the ability of observers to do their work . The monitors went in to monitor compliance to President Annan 's peace plan .
The United Nations says Syria poses too much of a risk for observers . The head of the mission says violence has intensified in the last few days . The escalation is limiting the ability of monitors to do their job . The monitors went in to ensure compliance to Kofi Annan 's peace plan .