An independent investigation has been launched after a migrant sex offender was mistakenly released from prison in what appears be "human error", Justice Secretary David Lammy has said.In a statement to the House of Commons, Lammy said the inquiry will seek to "fully establish the facts" of the release of Hadush Kebatu and whether the staff involved had "sufficient experience, training and technology".Kebatu, who was set to be deported, was freed in error from HMP Chelmsford on Friday, prompting a 48-hour manhunt that ended with him being re-arrested in north London on Sunday.Responding to Lammy's statement, shadow justice secretary Robert Jenrick described the release of Kebatu as a "national embarrassment."Lammy said Kebatu would be deported back to Ethiopia "as quickly as possible".Earlier on Monday, a spokesperson for Prime Minister Sir Keir Starmer suggested the deportation would happen within a few days.Kebatu was sentenced last month for sexually assaulting a 14-year-old girl and a woman in July in Epping, Essex, where he had been living in an asylum hotel since arriving in the UK on a small boat. His arrest triggered a series of protests in the area, which spread to hotels housing asylum seekers across the country.Kebatu was due to be taken to an immigration detention centre to be deported under an early ...