Hungary
"According to the data so far, a vehicle participating in a rally race drifted off the road for an unknown reason and drove into the spectators.
"According to current information, four people were killed and seven were injured. The circumstances are being clarified."
Footage shows the car skidding off the road before colliding with a crowd of spectators. The vehicle had been competing in the race, with the police report stating the car came off the road for an "unknown reason".