Multiple people were feared dead in a crowd crush at the world’s largest religious gathering in India on Wednesday, as tens of millions of devotees went to bathe in a river on one of the most sacred days of a Hindu festival.

More than seven people were killed in a stampede at the Maha Kumbh Mela, or Great Pitcher Festival, in the northern Indian holy city of Prayagraj on Wednesday.

Dozens of worshippers are feared dead and many more injured following a stampede or crush Wednesday at the massive Kumbh Mela religious festival in northern India, according to officials.