Belagavi, Aug. 4 -- Three people, including the leader of a Hindu right-wing group, have been arrested for allegedly poisoning the drinking water tank of a government school in Belagavi district of Karnataka in an effort to oust the school's Muslim headmaster, officials said. The incident came to light on July 20 when 11 students from the Kannada medium government school in Hullikatti village of Belagavi fell ill and were hospitalised. During a probe into the matter, it came to light that pesticide was mixed with the school's drinking water tank, police said. On August 1, three people, identified as Sagar Patil, Krishna Madar, and Magangouda Patil, were detained by police. During interrogation, the accused confessed to plotting a conspiracy...