The late release of casualty figures at the gathering of millions of people was seen as shielding the political fortunes of a local leader with national aspirations.

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.

A senior police officer said at least 30 people died as a crowd panicked at the Hindu Kumbh Mela mega-festival in the northern city of Prayagraj.