New Delhi:Two firefighters were killed and three others injured after a wall and a steel beam collapsed during efforts to extinguish a massive fire at an electronics manufacturing factory in Greater Noida, officials said on Tuesday. Following the alert, local police and around 10 fire tenders rushed to the spot and managed to bring the blaze under control. Iron beam trapped fire tendersDuring the firefighting operation, a side wall of the factory and an iron beam suddenly collapsed, trapping five fire service personnel. The injured were identified as Head Constable Driver Rajpal Singh, Fireman Manish Kumar, Head Constable Driver Teerathpal Singh, Fireman Amit Kumar and Fireman Rohit Yadav. Three others injured, says policeAccording to DCP (Central Noida) Shailendra Kumar Singh, the fire broke out at the factory on Monday night.