French police have arrested four people after a Paris concert by Israel's national orchestra was disrupted, a prosecutor said Friday, with organisers saying protesters lit smoke flares at the event.

The visit drew criticism from several groups ahead of the concert at the Paris Philharmonic hall, over Israel's conduct during its two-year military offensive in Gaza.

Several individuals repeatedly interrupted Thursday's concert by the Israel Philharmonic Orchestra, the venue said.

Videos posted on social media show a protester holding a red flare inside the concert hall with smoke billowing. Other people present were then seen to rush to strike the individual.

The Paris Philharmonic said it had filed a complaint, adding it........

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