Police investigating the murder of police officer Matt Ratana in Croydon have arrested a man

Mr Ratana was shot at Croydon Custody Centre on September 25^th and died in hospital.

A 23-year-old, who had been arrested for a separate offence at the time, was detained and taken to hospital with a gunshot wound.

He was considered fit to be arrested earlier today on suspicion of murder but remains in hospital.