Probe as man dies after arrest
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Liverpool One custody death: Video of 18-year-old's arrest

Mobile phone footage showing the arrest of a man who later died in custody has emerged.

The 18-year-old was held by security staff at the Liverpool One shopping centre on Wednesday and became unwell while in custody, Merseyside Police said.

A video taken at the scene shows police officers at the centre during his arrest.

The man was taken to the Royal Liverpool University Hospital, where he was pronounced dead.

The Independent Police Complaints Commission (IPCC) is investigating.

Video from the Liverpool Echo