The Munster and Ireland legend was speaking to BT Sport.
"I think we're all very shook by it, it's just something very difficult to get our heads around."
A clearly Ronan O'Gara spoke about the loss of his friend and former team-mate
Anthony Foley, the Munster head coach who passed away a week ago in Paris.
O'Gara spoke about the comfort he has taken in the response of the world of rugby to Foley's death.
"What I saw in the last week fills me with massive pride," he said. "The world of sport has been really comforting, it's wonderful game we play. The people of Killaloe were so warm, and
Anthony's family have been incredible - led by Olive - and it's at times like this you realise what great people (are around you)."
"It's minute-by-minute. The week has been a blur."
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