Eight jawans of the Special Frontier Force (1 Archer) were injured, three of them critically, after the Army truck in which they were travelling overturned on the highway near Sahanpur area in Najibabad tehsil, police said today. The truck was travelling from Dehradun to Dharchula in Pauri Garhwal last morning when the mishap took place, they said. The group in-charge, Major N S Bath informed the police following which Najibabad SHO Tajendra Singh Yadav and sub-inspector Brajesh Kumar, along with other officials reached the spot and shifted the injured to a Pooja Hospital here. Bath said the truck overturned after its driver lost control over the vehicle when a tanker came before it. After getting first-aid, the injured were referred to Dehradun Military Hospital, where the critically injured were stated to be out of danger, police said.