The accident occurred at about 03:00 (GMT +2) on the 31st kilometer of the Sofia - Blagoevgrad highway. The bus, which was carrying 52 people, crossed the Bulgarian border the night before at the Kapitan Andreevo crossing. The bus had a North Macedonian number plate.
The bus driver is also among the dead. Six people survived, including two women and four men.
According to the head of the local fire department, the fire occurred due to the accident. All survivors were taken to the hospital in serious condition.