About 300 animal rights activists were removed by Mexico City police when they blocked ticket booths over the weekend at the Plaza Mexico in an effort to prevent people from watching bullfights at the arena.

Activists from several different animal rights groups gathered Sunday at the Plaza Mexico and got into a shoving match with police, who pulled them away from the ticket booths so fans could enter the facility, media reports said.

At least four protesters were arrested and the rest continued their demonstration in the streets.

The Derechos sin Fronteras animal rights group, which opposes bullfighting, asked supporters to gather at the Plaza Mexico so they could form a human chain.

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