Officer-in-charge of Mohonpur Police Station Ataur Rahman said one of the injured army members was admitted to Combined Military Hospital (CMH) in Rajshahi and two others were taken to Rajshahi Medical College Hospital.
The rest of the injured, including the truck driver and his helper, received first aid.
OC Ataur said the truck lost control and hit the army pickup from behind, pushing both vehicles into the ditch in front of Mohonpur Model Town on the Rajshahi-Naogaon highway around 5:30am.
Fire service personnel rescued the victims and sent them to hospitals, he said, adding that the trucker was taken into custody for investigation, reports UNB.