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By Carlo Angerer

Heidi Klum and thousands of others were evacuated from the live televised finale of "Germany's Next TopModel" after a bomb threat was made against the show.

Police said that an anonymous female called in the threat to the SAP Arena in Mannheim, Germany, at 9 p.m. local time on Thursday (3 p.m. ET) — prompting 8,500 people to be removed from the venue and cancellation of the finale's live broadcast.

Officials found a suspicious bag but later determined it was not dangerous, the Mannheim Police Department said in a statement. It added that the all-clear was given after a full search of the arena with sniffer dogs. The investigation to identify the caller was ongoing.

Broadcaster ProSieben said in a statement that it was "very relieved that nothing bad happened" and that organizers will determine Friday how to choose a winner for the competition.

Klum — who was hosting the show — posted a picture of herself on Twitter with the finalists from the competition, writing that: "the evening did unfortunately not end the way I wished for! Safety comes first!"

Audience members wait outside after leaving the SAP Arena in Mannheim, Germany, following Thursday's bomb threat.Uwe Anspach / Uwe Anspach/dpa/AP