Police closing in on 'armed' Oxford murder suspect

Andrew Warren

Police in the United States say they are closing in on an Oxford University treasurer wanted in connection with the murder of a man stabbed to death in Chicago.

An international manhunt is underway for 56 year old Andrew Warren, a worker for Somerville College, who's being described by officers as 'armed and dangerous'.

He's believed to be with an American Professor of Microbiology, at whose apartment the 26 year old victim was found.

Officers say they do have an idea of their whereabouts.

Andrew Warren is a worker for Somerville College