Nauru police have interviewed the ringleaders of a detention centre riot that caused $60 million in damage and left four people in hospital.
Order has been restored at the detention centre after a .
A security guard who does not want to be named says asylum seekers took over the centre, gained access to a kitchen and armed themselves with knives and steel bars.
An Immigration Department spokeswoman says detainees burned buildings to the ground, including the accommodation blocks, which can house 600 people.
The health centre and the dining room were also destroyed.
The government in Nauru says 80 per cent of the island detention centre's buildings were destroyed in the riot.
Ungrateful bunch , biting the hand that feeds them.
