A child was killed while another child and a woman sustained injuries when a mortar shell fired from the Afghanistan side landed at a house in Bajaur Agency here on Monday, security sources said. According to security officials, the shell fired from Gangjil Top by the terrorists from the Afghan side landed at a house in Hilal Khel village in Bajaur Agency at 2:30pm. As a result, one child was killed, while another child and a woman sustained injuries.