Rory McIlroy has decided not to compete at this summer's Olympics in Rio due to fears over the Zika virus.
The world No. 4, who had pledged his allegiance to Ireland for the Games, has announced in a statement he will not be available.
McIlroy is one of a number of high-profile golfers to pull out with Adam Scott, Louis Oosthuizen, Charl Schwartzel, Marc Leishman and Vijay Singh having already said they will not travel to Brazil.
McIlroy said in a statement: "After much thought and deliberation, I have decided to withdraw my name from consideration for this summer's Olympic Games in Rio de Janeiro.