A SMALL section of St Clement's Street in Oxford has been cordoned off by police after a man was found unconscious.
Police spokeswoman Lucy Billen said police were called just after 6.45am after the man was discovered unconscious in the street.
It is not yet known if he was the victim of an assault or if it was related to any May Morning festivities.
Police have cordoned off the area as a precaution while investigations continue, Mrs Billen said.
Anyone with information can call police on 101.