Djokovic hits out at media after father's Russian flag row

Srdjan Djokovic opted to not attend his son's Australian Open semifinal win on Friday

Serbian tennis star Novak Djokovic has sprung to the defense of his father Srdjan after he was filmed alongside Russian supporters following a match involving his son at the Australian Open this week.

Video footage appeared online shortly after Wednesday's match between Djokovic and Russia's Andrey Rublev.