The incident took place in Dallupura village near Mayur Vihar Phase-III at around 10 a.m. Five children were killed and another was critically injured in east Delhi when a wall collapsed this morning, fire brigade officials said. Six children, aged below ten years, were playing in the vacant plot owned by one Vijender when the incident took place. All of them were trapped under the debris. Rescue workers took them to hospital where five were declared brought dead.