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.

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.

Multiple casualties were feared after a barrier broke at a Hindu religious festival, the Maha Kumbh Mela, in the northern Indian state of Uttar Pradesh on Wednesday, The Hindu newspaper reported, citing news agency Press Trust of India (PTI).