Rajasthan Chief Minister Ashok Gehlot on Saturday launched 5G internet service in the state and urged the country's investigative agencies to get well-trained in dealing problems caused by cyber fraudsters. Speaking at an event during which 5G service was launched in Jaipur, Jodhpur and Udaipur cities of Rajasthan, Gehlot raised concerns over rising cyber frauds and the challenges internet has posed in the recent times.