Moscow, May 18 (IANS) A drunk man stabbed three people to death in Russia's Yekaterinburg city, authorities said, adding that the perpetrator has been apprehended.The attack took place on Monday at a park near Yekaterinburg's railway station due to an alcohol-related conflict, reports Xinhua news agency.The perpetrator was wounded by police when he was resisting arrest. He remains unconscious in a hospital. Work is underway to identify those killed, according to the TASS News Agency. --IANS ksk/