The incident happened when the criminals broke into house number 6637 Lantana Street Nkana East.
The deceased who has been identified as Auxiliary Chungu, 15, is alleged to have gone outside when she encountered the criminals who hit her with a suspected iron bar.
Copperbelt Police Chief who confirmed the development said the deceased was found lying in a pool of blood with a deep cut on her forehead by one of her relatives after she had taken too long outside.
The suspects are still at large.
Katanga stated that the girl was then rushed to Kitwe Teaching Hospital where she was pronounced dead.
Her body is lying in Kitwe Teaching Hospital mortuary waiting post-mortem and a manhunt has been launched for the criminals.
“While they were watching football in the house with the family, the girl decided to go outside around 23:30hrs it is believed that it was at this time she met the criminals who broke into the house, it is suspected an iron bar was used to hit her, after one of her relatives noticed the girl had taken long outside, he decided to check for her only to find her in a pool of blood while a suspect escaped by climbing the wallfence,” she stated.