The Rescue Service of Armenia’s Interior Ministry said the collision occurred on the 90th kilometer of the Yerevan-Gyumri highway just after midnight on August 14.
It said a Volkswagen van carrying passengers collided with a ZIL truck on the section near the village of Lanjik.
Six people injured in the crash were hospitalized in Gyumri, a local medical center said, adding that one patient was later transferred to a hospital in Yerevan.
Deputy director of the Gyumri Medical Center Armen Khachatrian told RFE/RL’s Armenian Service that said that the five patients were in a critical condition and their lives were in danger.
The Health Ministry later said that on person hospitalized in Yerevan was also in a serious condition, while three others taken to a medical center in the Armenian capital had sustained only light injuries and were discharged from the clinic shortly after they had been examined and received treatment.
According to relatives of the victims, they were returning from Turkey where they had visited historical Armenian sites.
Investigators were reportedly working on the scene early on Monday to establish the circumstances of the traffic collision. No other information was reported immediately.
The Investigation Committee said later criminal proceedings had been instituted in connection with the case.
Meanwhile, Armenian Prime Minister Nikol Pashinian expressed condolences to the families of all victims.