CHENNAI: A seven-year-old boy sustained burn injuries as he fell upon hot coal during a firewalk ritual at a temple in Arambakkam village of Tiruvallur district on Sunday night. M Monish, a Class 2 student, sustained 41% burn injuries and was admitted to Government Kilpauk Medical College Hospital. According to the Arambakkam police, the boy, along with his father Manikandan, …