Police have this morning confirmed that a teenager has died while in custody in Liverpool city centre.
The man had been detained earlier at Liverpool One by security services and took ill after being taken in to police custody.
Emergency services were called and took the man to the Royal Liverpool hospital were he was pronounced dead.
The man is described as an 18-year-old black male. His family are in the process of being informed.
Merseyside Police has referred itself to the Independent Police Complaints Commission regarding the incident.