Update: OCI vows to 'defend itself to the hilt' after Pat Hickey arrest in Rio

Update 1pm: The Sports Minister Shane Ross is due to return to Ireland this evening following the arrest of Pat Hickey in Rio yesterday.

By Daniel McConnell, Fiachra Ó Cionnaith, and Matt Sandy in Rio

Update 1.30pm: Pat Hickey faces very serious charges in a country that takes ticket touting extremely seriously.