In a wave of tendency among students to take their lives, a 17-year-old student committed suicide by shooting himself down in the Londkhur area of Mardan on Saturday, officials said. According to police, Wajid Ali, who had taken matriculation exams, was depressed due to fear of failure. He shot himself down in the fields near his house. Police registered a case on report by his brother Rehmat Ali. Almost half a dozen students have committed suicide in the recent days.