"People within a kilometre of the camp can now return to their homes," Jayaweera said.At least five persons have been injuries in the fire and their condition remained stable.Sirisena has ordered a probe with the police's Crime Investigation Department carrying out investigations.A soldier was charred to death and thousands of people were evacuated after a major fire triggered a series of explosions at one of Sri  TYPE-4B SEMI RIGID PVC HOSE  Lanka's largest ammunition dumps where the army stores heavy weapons, prompting President Maithripala Sirisena to launch a probe.All residents within a five kms radius of the complex were evacuated last night was to prevent people from inhaling fumes emanating from the fire. At least five persons have been injuries in the fire and their condition remained stable."A soldier has been killed and the military has entered the premises," military spokesman Brigadier Jayanath Jayaweera said, adding that soldiers have doused the fire.The ammunition dump at Salawa area in Avissawella, 30 kms east of here, caught fire at around 5 PM (local time) yesterday, setting off huge explosions that went on through the night.Sri Lankan President Sirisena has ordered a probe with the police's Crime Investigation Department carrying out investigations.The cause behind the incident was not immediately known.The armory is one of the largest ammunition storage of the Sri Lankan Army.Residents said the fire could be seen even this morning, more than 12 hours after the first explosions were heard.Residents said loud explosions were heard with raging fire within the complex which houses weapons ranging from T56 rifles to mortar bombs.