A 14-year-old school student stabbed an art teacher in southern France on Tuesday, leaving the 60-year-old in critical condition, a prosecutor said. The pupil stabbed the teacher at least three times and was subsequently arrested on suspicion of attempted murder, said Raphael Balland, the public prosecutor in the southern city of Toulon. There were no known “religious or political connotations” at this stage, Balland said. “All we know is that there had been tensions with this teacher recently, and that he was angry with her,” the prosecutor added during a press briefing. France’s education minister, Edouard Geffray, headed to La Guicharde secondary school, where the stabbing took place, in the town of Sanary-sur-Mer. “My thoughts immediately go out to the victim, her family and the entire educational community, whose deep shock I share,” he wrote on X. President Emmanuel Macron was being kept up to date on the teacher’s condition, presidential aides said. France has seen a series of incidents in which pupils have attacked teachers or other schoolchildren. A 14-year-old schoolboy was last year …