Kim Bi-o gave the crowd a middle finger gesture after a camera went off during his swing
Korean Tour Leader Banned For Three Years After Middle Finger Gesture
The Korean was leading the DGB Financial Group Volvik Daegu Gyeongbuk Open by a stroke on the 16th hole when a mobile phone made a noise on his backswing.
He went on to win the tournament for his second title of the season but has now been banned.
Kim attended a meeting with the Korean PGA, which runs the Korean Tour, before bowing down to TV cameras and tearfully apologising.
"Kim Bi-o damaged the dignity of a golfer with etiquette violation and inappropriate behaviour," the KPGA said in a statement.
The decision to ban him was reached unanimously and he was also made to pay a fine of 10 million won (£6,800).
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Kim is up to 302nd in the world after his win having reached a career-high of 200th.
He has won twice this season and also won twice in 2012 on the Korean Tour.
He played on the Korn Ferry Tour in 2012 and 2013.
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