France, Aug. 23 -- French Interior Minister Bruno Retailleau has vowed a tough response after a leisure park manager refused entry to a group of young Israelis, linking the case to a broader surge in antisemitic incidents and strains with Israel.

On Friday, the hardline Retailleau condemned as "serious" the refusal of a leisure park in the Pyrenees-Orientales to admit a group of 150 young Israeli holidaymakers, calling it incompatible with the values of the Republic.

"This is not our vision of the Republic, nor of human dignity," he told BFMTV, noting that an investigation was under way and that the park's manager remained in custody.

According to prosecutors in Perpignan, the manager had barred the youngsters on the basis of his "pers...