Laois boxer Michael O'Reilly has been suspended from the Olympic line up after allegedly failing a drug test.
It's understood that the Portlaoise based boxer had an “alleged violation” of a test that was taken in Ireland, prior to the team's departure for Rio.
The A sample turned up positive.
O'Reilly will have the right to appeal the result by having the B sample tested.
O'Reilly was ranked as the No.2 middleweight going to the Games.
He had a tumultuous run to the Olympics, having been denied a place due to a controversial judging decision in Doha last year, before injury robbed him of his chance in Turkey last April.
Left with one chance to qualify, the middleweight made no mistake in a tournament in Baku last month,