Victoria Azarenka targets golden Olympic year

World number one Victoria Azarenka tells BBC tennis correspondent Jonathan Overend she is targeting Olympic gold following her Grand Slam "breakthrough" at the Australian Open.

The Belarusian beat Maria Sharapova on Sunday to win the WTA Indian Wells and take her season record to 23-0, having won all four tournaments she has played.

The 22-year-old plays down talk of matching Novak Djokovic's record-breaking 2011 season and explains her views on the role of confidence and pressure at the top of the world game.