A controversial bull-taming festival has kicked off in the southern Indian state of Tamil Nadu with more than 12,000 bulls registered for the fights despite concerns from animal rights activists.

Four people were killed and at least 60 others were injured during 'Jallikattu' - the bull taming event in Tamil Nadu. The event began on Tuesday and features 1,100 bulls and 900 bull-tamers.

The Jallikattu sport, which is believed to be more than 2,000 years old, is extremely popular in Tamil Nadu during the three-day Pongal harvest festival in January in which hundreds of bull ...