Three of the injured, including a five-year-old child, were in a serious condition, according to the foreign ministry in Warsaw.
The accident, near the city of Kiskunfélegyháza in the south of Hungary, occurred at around 2:30 a.m. on Sunday.
The cause was not immediately known, the Polish foreign ministry said.
The Poles had been traveling back home from a vacation in Bulgaria, Poland’s state news agency PAP reported.
Photo: EPA/Ferenc Donka
(gs)
Source: PAP