Multiple vehicles experienced tire punctures while traveling on the Quang Ngai - Quy Nhon highway, specifically the Quang Ngai - Hoi Nhon and Hoi Nhon - Quy Nhon sections. Road authorities, Zone III Road Management, suspect a truck is responsible for deliberately scattering sharp objects onto the roadway. The objects caused damage to numerous cars, leading to flat tires and potential safety concerns for drivers. An investigation is underway to identify the vehicle involved and determine the motive behind this act of apparent sabotage. Authorities are urging drivers to exercise caution when traveling along these routes and to report any suspicious activity. Efforts are being made to clear the debris and ensure the safety of motorists. This incident highlights potential security vulnerabilities on the highway system.