MANCHSETER, N.H. (AP) -- Police in New Hampshire are looking for a minimum security inmate who they said walked away from a halfway house in Manchester.

The New Hampshire Department of Corrections says 28-year-old Shane Alan Adkinson of Lowell, Mass., was allowed to leave the Calumet Transitional Housing Unit to buy groceries and get a haircut on Friday.

Authorities say he failed to return at his scheduled time of 6:20 p.m.

Corrections officials said Adkinson was serving a sentence for second-degree assault. He was admitted to the state prison in April 2011 and was eligible for parole in February 2013.