A State-level roller skating competitions conducted by Roller Skating Federation of Tamil Nadu started at the Vandiyur Park skating rink here on Saturday. Over 650 skaters from 22 districts are taking part in the three-day event. It was inaugurated by Roller Skating Federation of Tamil Nadu president Awan Senthil Kumar in the presence of secretary Thavendran, CEO Capt. G.S. Ranganathan and other officials from various districts. Speed skating, artistic skating, roller hockey, and relay races are the events taking place for children aged between 6 to 16. It will conclude with Deputy Commissioner of Police Thirunavakarasu distributing prizes.