UNITED NATIONS (AFP) – A roadside bomb exploded in front of a convoy of UN ceasefire monitors in Syria on Tuesday, but no injuries were reported among UN workers, UN spokesman Martin Nesirky said.

The incident happened near the protest city of Hama. Nesirky said three of the four vehicles in the UN convoy were damaged.

The blast occurred just after 2:00 pm local time (1100 GMT), Nesirky told reporters.

The UN Supervisory Mission in Syria (UNMIS) has sent a patrol to help the stranded monitors, Ahmad Fawzi, spokesman for UN-Arab League envoy Kofi Annan said in a statement.

He said the blast took place at Khan Cheikhoun, near Hama

“Three UN vehicles were damaged. No UN personnel were injured,” Fawzi said.