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.

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.

Authorities say that at least 30 people have died and a further 60 were injured in a crowd crush at the massive Kumbh Mela festival in India. The world's biggest religious festival and humanity's largest gathering,