TWO people have been arrested as part of a murder investigation in Oxford.

Harun Jama, 16, from Birmingham, was found near a children's playground in Friars Wharf on January 3. He had been stabbed and died later in hospital. 

A 45-year-old woman and a 36-year-old man, both from Oxford, have been arrested on suspicion of assisting offenders on Sunday afternoon.

Craig Ford, 33, of Luther Street, Oxford, is in custody having been charged with one count of murder, one count of robbery, one count of threatening another with a bladed article and two counts of possession with intent to supply class A drugs.

Alice Ashcroft, 25, also of Luther Street, is charged with two counts of possession with intent to supply class A drugs. She also remains in custody.

Ford and Ashcroft's trial has been set for June 11.