At least five children were injured when a wall collapsed on them at Nandankanan in Chittagong.Confirming the matter, Fire service’s Senior Station Officer Ali Akbar said that, rescuers have managed to pull out the boys after the cave-in at around 12:45pm on Sunday at the Golap Singha Lane.Four of victims were identified as Mehedi, 9, Riyad, 7, Sajib, 6, Yasin, 15, and Arif, 4.All of them were taken to the Chittagong Medical College Hospital.