New Delhi, Feb. 4 (PTI): A convoy of Indian construction workers today came under attack from suspected Taliban militants in eastern Afghanistan, but no one was injured.

A vehicle, carrying three Indians, was badly damaged, sources said.

when an improvised explosive device went off around 7.45am when the convoy was on its way to a construction site in Khost, sources said.

The attackers fired at the convoy of an Indian company, which is constructing a road between Khost and Gardez, they said. Security personnel accompanying the convoy retaliated, forcing the attackers to flee, the sources said. No one was injured in the attack.        

The Indian company is working under a sub-contract with an American firm.        

Indian construction workers have been facing attacks from Taliban, killing at least six Indians and injuring several others.

India has recently completed construction of a key 218km highway between Delaram and Zaranj. The highway provides the shortest route between Kabul and Iranian ports.