Hindu devotees have sacred marks reading 'Radhe' on their foreheads at the confluence of the Ganges, the Yamuna, and the Saraswati rivers during the 45-day-long Maha Kumbh festival in Prayagraj, India, Tuesday, Jan. 14, 2025. Credit: AP/Ashwini Bhatia

The Hindu festival that turned deadly in northern India on Wednesday is a religious gathering with deep spiritual meaning for devotees who come by the millions to take a cleansing dip in waters they consider sacred.

Officials had been preparing for months for the world’s largest religious festival, with around 400 million Hindu pilgrims expected to take part

At least 17 people were killed and many more injured in a stampede at India's Maha Kumbh festival, the world's largest religious gathering, a doctor at a government hospital said, as tens of thousands of pilgrims rushed to dip in sacred river waters during the Hindu event.