Kumbh Mela begins in the Ganges Credit: ITV News/Matt WilliamsCrowds cover the banks of the Ganges as the Kumbh Mela begins Credit: ITV News/Matt Williams
Tens of millions of Hindus have gathered on the banks of holy rivers in India for the main bathing day of the Kumbh Mela festival - one of the biggest religious gatherings in the world.