Moments before a deadly stampede at the world's biggest religious gathering in India, Hindu devotees queuing to take a spiritual bath in a river said they pleaded with police to open barricaded routes to thin out a surging crowd.

PRAYAGRAJ, India — At least 30 people were killed and many more injured in a stampede at the world’s largest religious gathering early Wednesday, police said, as millions of pilgrims rushed to dip in sacred waters during the Maha Kumbh festival in northern India.

Millions of Hindus are gathering in a northern Indian city for the Maha Kumbh festival, the world’s largest religious congregation.