Cricket South Africa is investigating an incident of alleged racist abuse directed at Imran Tahir in the fourth ODI against India on Saturday. Footage emerged on social media of Tahir remonstrating angrily with fans in the stands at Wanderers Stadium. A man was ejected by security, and CSA has insisted Tahir was not involved in any physical altercation. A CSA statement read: "Cricket South Africa has noted and is aware of the circulation of video footage featuring Imran Tahir on social media and Whatsapp groups. South Africa won the fixture by five wickets, but still trail 3-1 in the six-match series. Watch this video to know about the incident.