Four people have died, and at least eight more injured, when a rally car drove into spectators in northern Hungary on Sunday, authorities said.<br /><br />The incident occurred between the Hungarian towns of Labatlan and Bajot, around 60km north of the country's capital Budapest.<br /><br />In a statement, police said they did not yet know the reason for the crash of the car which was competing in the Esztergom-Nyerges rally.<br /><br />Police said the vehicle drifted off-road and into spectators standing behind a barrier, causing organizers to halt the race.<br /><br />Footage showed the car skidding off the road before colliding with the crowd, and causing a cloud of dust after impact. <br /><br />Officials and other spectators quickly ran to the scene, before emergency services arrived to help cope with the number of injured spectators. <br /><br />Eight ambulances and four rescue helicopters arrived at the scene, the emergency services told the Hungarian news site Index.<br /><br />Index. hu reported that in addition to the death toll, one child was hospitalized with life-threatening injuries, and another person was seriously injured.<br /><br />Six more people suffered lighter injuries as a result of the crash.<br /><br />The police statement said: 'A fatal mass accident occurred between Labatlan and Bajot in the early afternoon of March 24.<br /><br />'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.<br /><br />'According to the current information, four people were killed and seven were injured. The circumstances are being clarified.'