A man who admitted attacking a man on Wimbledon Common before blugeoning his cell mate at Wandsworth prison to death with a television set will be sentenced next month.

Taras Nykolyn pleaded guilty to the manslaughter of Wadid Barsoum on the grounds of diminished responsibility and to inflicting grievous bodily harm on Roger Maxwell at the Old Bailey on Friday, January 15.

After a delay to assess his mental health, Nykolyn will now be sentenced on Monday, June 20.

February 5: Wandsworth prisoner Taras Nykolyn sectioned after manslaughter of cell mate Wadid Barsoum and Wimbledon Common attack on Roger Maxwell

Nykolyn, 46, previously of Meredith Street, Plaistow, launched an unprovoked attack on Roger Maxwell, 51, while he was walking on Wimbledon Common on June 19, 2014.

Nykolyn chased Mr Maxwell across the Common before forcing him to the ground and beating him. Mr Maxwell suffered a broken and dislocated left wrist, a fractured nose and significant bruising and swelling to his face in the attack.

Nykolyn was remanded in Wandsworth prison following the attack, and was due to stand trial at Kingston Crown Court on May 26, 2015.

However, on May 4 he attacked and killed his cell mate Wadid Barsoum, 66, after hitting him over the head with a television.

Barsoum’s post mortem examination revealed a significant blunt assault to his head, face and neck, fractures to both sides of his jaw and heavy bruising to his neck that may have been caused by stamping.

Nykolyn was due to be sentenced on Friday, February 5. However, the Recorder of London Nicholas Hilliard QC decided to section him until more about his mental state was understood, after three different doctors struggled to agree on whether Nykolyn suffered from paranoid schizophrenia, or whether he is subjected to periods of paranoid psychosis when under pressure.