Budapest advertises itself as a party town. On Saturday, the party spilled out onto the streets, and occupied, in the scorching heat of summer, the Elizabeth Bridge and the river banks and downtown areas on both shores of the Danube.

Politically, Orban’s inability to stop Pride from going ahead risks projecting weakness at a time when his Fidesz party is trailing in the polls. However, a heavy-handed police response could also deepen public dissatisfaction and further undermine his support.