A youth in his mid-20s Saturday hurled a stone at AAP chief Arvind Kejriwal at a public gathering here, a party member said.An Aam Aadmi Party source told IANS that the incident occurred around 6.45 p.m when Kejriwal was addressing a gathering in south Delhi's Deoli area.However, the stone did not hit Kejriwal as the stage was at a distance from the sitting area for the public.The youth was immediately apprehended by police and taken to the Neb Sari police station.Immediately after the incident, Kejriwal tweeted, "One person threw a stone at me in deoli jansabha today. BJP so scared? Resorting to violence? I wish well for the boy who did it.""We have no bad wishes for people who hurl shoe and stones at us, we wish them all the best," he further tweeted.