EAST ST. LOUIS, Ill.—Five children all younger than 10 who were left home without an adult died in a fire early Friday at an apartment building in southwestern Illinois, officials said. Fire crews were called to the building in East St. Louis before 3 a.m. and reported finding two children already dead inside a bedroom. The three other children were unconscious on the floor of the kitchen, officials said, and two of them were pronounced dead once they were taken outside, according to East St. Louis Assistant Fire Chief George McClellan. The fifth child was taken to a hospital and later died. The children ranged in age from 2 to 9 years old and all belonged to the same family. Their names were not immediately released. “The guys are taking it pretty hard,” McClellan told reporters of his firefighters. The children’s mother had left the home to pick up another …