A Turkish engineer, an Indian national and their driver were killed in western Afghanistan on Tuesday when a bomb struck their vehicle, a provincial governor and a company official said.
The bomb hit the vehicle of a Turkish construction company in the western province of Farah on the main highway between the cities of Herat and Kandahar, Farah governor Azatullah Wasifi said.
"A bomb exploded involving a Turkish construction company vehicle in which one Turkish engineer died," said Wasifi.
"We have sent police down to the site to get more accurate information."
The explosion involved the Ankara-based Kolin construction company, a company official confirmed, requesting anonymity.
"As far as we know an explosion involving Kolin reconstruction company happened on the Herat-Kandahar highway in which one of our engineers lost his life," he told a news agency.
"As per the information we got, one Indian guy and their driver, whose nationality we don't know, also lost their lives," he said.