A teenager who was wrongly released after being held on suspicion of murder has been re-arrested by police.

Jordan Francois, 18, was detained again by police at 5.35am in Edmonton, north London, and is currently in custody, said a Metropolitan Police spokesman.

Police had previously offered a £10,000 reward for information leading to Francois' arrest, and said he was "unlawfully at large" from Wandsworth Prison where he was on remand for attempted murder.

The Prison Service said it would "formally investigate" the incident.

A Prison Service spokesman said: "Releases in error are a very rare but regrettable occurrence. The number of incidents have fallen significantly in recent years with figures down by a quarter compared to 2009/10 but every incident is taken extremely seriously and we are not complacent."

Previously, police warned that Francois could pose a risk to the public.

"We have a number of officers currently working hard to track down Francois and arrest him," said DCI Noel McHugh, from the Homicide and Major Crime Command.