A lawyer says a footballer's decision to return voluntarily to prison will stand him "in good stead".
Courtney Meppen-Walter was freed early by mistake from a young offender's prison in Lancaster.
Lawyer Nick Freeman, aka 'Mr Loophole' said:
Greater Manchester Police say officers visited Courtney Meppen-Walter last night and that "once officially informed of the mistake" he "voluntarily returned" to his cell.
A footballer freed from prison by mistake is back behind bars.
Former Manchester City player Courtney Meppen-Walter was released yesterday, just a quarter of the way through a sentence for killing two people in a car crash.
Police say they went to his home late last night, and he "volunteered" to return to his cell.
Solicitors representing the widow of a man killed in a crash with ex-Manchester City youth player Courtney Meppen-Walter said she has been caused 'distress and trauma' by his mistaken early release.
Kushwant is the widow of Kulwant Singh, 32, from Salford, who was killed with his sister, front-seat passenger Ravel Kaur, 37, from Cheetham Hill, Manchester.
A Prison Service spokesman said ex-Manchester City youth player Courtney Meppen-Walter was released "in error" and added that such incidents are taken "extremely seriously".
Meppen-Walter wept in court when he was jailed at Manchester Crown Court on February 28.
An inquiry was under way tonight after it emerged a footballer who killed two people in a car crash was released from jail by mistake.
Ex-Man City youth player and England under-18 captain Courtney Meppen-Walter walked free from prison today, just a quarter of the way into a 16-month sentence.
Greater Manchester Police has been informed by the Prison Service of the gaffe and efforts are being made to return the 18-year-old to custody.
Earlier, the widow of one of Meppen-Walter's victims said she was "devastated" to learn that the footballer was at liberty.
A former Manchester City youth footballer jailed for killing two people in a car crash was released from prison early by mistake, according to the Ministry of Justice.
Courtney Meppen-Walter had served a quarter of his 16 month jail sentence for causing the deaths of brother and sister Kulwant Singh and Ravel Kaur in September.