Four persons, including two women, died and more than six were injured in a hailstorm yesterday. All bodies have been sent for postmortem. While the injured have been admitted to a hospital. The storm was so strong that people on road tried to protect themselves by clinging to the wall. But the walls proved to be a killer as most of them died or got hurt because of it. Vibha, Jyoti and Ricky of Kapashera who work in a private company at Udyog Vihar, were on their way to home when the weather turned disastrous. They tried to save themselves by clinging to the wall of a house without realising that anything on top of the wall could injure or kill them. The three got injured when the dish antenna fell on them. They were taken to the hospital where doctors declared Vibha brought dead. Another person died in the Palam Vihar area when a wall fell on him. Pradeep of Charki Dadri was constructing a house in Sector-29 here. When the hailstorm occurred, he stood near two workers