A white tiger attacked and killed a 22-year-old man who apparently fell or Jumped into its enclosure at the Delhi zoo on Tuesday.

Some Say he need a selfie with Tiger so he Jumped in.

Witnesses claim the man, identified as Maqsood, fell 18 feet into a dry moat in the tiger enclosure at around 1 pm. Moments later, the fully-grown tiger could be seen mauling him.

It is not clear how he fell; some say the barricade was too low and he fell in. An image taken by witnesses shows him cowering before the animal, his hands folded.

'He crossed the barrier of the enclosure and jumped in,' said Zoo Director Amitabh Agnihotri. He said the enclosures are 'absolutely safe' and no visitor can access the moat without crossing the barrier.

A witness said he raced to the tiger enclosure after hearing screams, to see the man locked in the tiger's jaws, 'writhing badly in pain'.

'We saw some kids throwing in small sticks and stones inside the tiger enclosure. Then we saw that a white tiger had gripped a man by his neck. No one helped him,' 'The man was cowering in fear and appeared to be pleading with folded hands to the tiger to spare him
', said Himanshu, a visitor.

Others said the zoo's security guards arrived only about 20 minutes after the victim fell in.

Authorities eventually frightened the tiger into a .