A teenage boy has been rushed to hospital after falling around 15ft through a ceiling inside the abandoned Debenhams building in Plymouth.
It is understood that a group of youths participating in "urban exploring" broke into the former department store.
The teenager fell inside the building and the extent of his injuries is not yet known.
Emergency services were called to the scene near Royal Parade on Thursday evening, 19 February, with a significant emergency response seen in the area.
Sources have warned that parts of the building are "structurally unsafe due to collapsed floors and hidden drops".
The building has attracted increasing interest from urban explorers in recent months, with repeated concerns raised about people accessing the site and putting themselves in danger.
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