Amateur video out of Syria appears to show gunfire on the streets of Khan Shiekhoun on Tuesday.
Six UN monitors were reportedly caught up in the violence.
On Wednesday, more footage, which could not be independently verified by Reuters, appears to show a UN convoy leaving the town amid reports that rebels helped return the monitors to their colleagues. The monitors stayed overnight with rebel forces who said it would be unsafe for them to leave alone.
More footage, appears to show monitors with members of the Free Syrian Army surveying conditions in Deraa.
In an interview recorded Tuesday Syrian President Bashar al Assad told Russian television that countries that quote that "sow chaos" in Syria could suffer from it themselves.
The UN says more than 9,-000 people have been killed in Syria since the uprising began last March. The government blames the violence on foreign backed insurgents and says 2,600 members of its security forces have died in the uprising.
Deborah Lutterbeck, Reuters.
