At least 11 people were killed and 32 others injured on Tuesday in a shooting incident at a school in the Russian city of Kazan, authorities said, adding that a suspect has been arrested. The incident took place at the school No. 175 in Kazan located in the country's Tatarstan Region. A source in the emergencies confirmed to the TASS News Agency that the victims comprised 10 children and a teacher. Two children fell to their death after jumping out of a window on the third floor, according to the news agency. The sources said that the first signal from a panic button at the school came in at 9.25 a.m. (local time), after the shooting had started five minutes earlier. (IANS)