KAMPALA , Uganda ( CNN ) -- At least 19 schoolgirls died when fire erupted in their dormitory west of the capital , Kampala , late Monday , say police and school officials . Villagers surround the gutted school building Tuesday . Authorities also found the bodies of two adults in the ashes of the blaze at Buddo Junior School in Mpigi . The school 's headmaster said 42 girls survived . Police said they were investigating the cause , but children who lived in the dorm said they heard an explosion shortly before the fire broke out . There were conflicting reports of the doors of the living quarters being barred , trapping the children inside . School officials insisted that the doors were n't locked , while girls who lived there said they were . Mpigi is about 60 kilometers west of Kampala . E-mail to a friend .
19 children and two adults die in primary school dormitory fire , pupils say . Police denies pupils ' claim that dormitory door was locked from the inside . Police investigate cause of blaze at about 60 kilometers from city .