A 16-year-old boy remains in a critical condition with a suspected brain haemorrhage after he was believed to have been knocked from behind by a classmate while climbing through a classroom window at his school, the South China Morning Post has learned.The Education Bureau said on Saturday that it was “deeply concerned” about the incident, which occurred the previous day, and that the school involved would provide support for the boy’s parents and other students.Police said they received a...