In the first days after the tragedy, the Romanian driver was detained by the Bulgarian authorities and was initially questioned, with the authorities set to question him again in the presence of an interpreter. The police also ordered an additional examination of the heavy truck involved, while the National Investigation Service was to request further technical checks to determine how the first impact occurred and whether the vehicle or the driver's maneuvers contributed to triggering the pileup.
Meanwhile, the tragedy was accompanied by messages of solidarity: Patriarch Daniel conveyed condolences to Patriarch Daniil of Bulgaria, while the Ministry of Foreign Affairs in Bucharest confirmed that a Romanian citizen was among the injured, with the Romanian Embassy in Sofia in contact with his family.