The tragedy occurred at the 28th annual Börgönd Aeroplane Day, claiming the lives of the 67-year-old pilot and his 37-year-old son also on board. A criminal investigation has been launched to find out what caused the incident.

A total of 328 metric tonnes of litter has been picked throughout the 11 competitions held so far, 6.1 tonnes this year alone. Floating down the Tisza River in rafts made out of plastic bottles, a tradition since the event’s inception, was also held once again.