The Metropolitan Police have confirmed they have requested an extra 12 hours to question a man arrested on suspicion of murder yesterday after a man was killed in a Morden park. 

The victim, in his twenties, was found with stab wounds in Kendor Park, Kenley Road just after 8am on Tuesday, January 19. 

January 19: Updated with pictures: Morden murder probe: Arrest made after fatal stabbing

Paramedics from the London Ambulance Service and the London Air Ambulance fought to resuscitate the man, but he was pronounced dead.

The police confirmed this morning that the man's next of kin were yet to be informed, and no formal identification had taken place. 

January 20: Police pledge extra patrols across Morden after neighbourhoods rocked by murder probe and stabbing

However, a spokesman said they have an idea of who the man is, but need certain formalities to take place before he is publicly identified.

A man who was originally arrested on suspicion of wasting police time was then arrested on suspicion of murder yesterday morning. 

He is still in custody at a south London police station.

A police spokesman also confirmed they were looking into whether there was a link between the murder and a stabbing which took place in Mitcham at around the same time.

January 19: Update: Residents shocked as 23 year-old stabbed in the buttocks in Mitcham recovering in hospital

No one has been arrested yet following the stabbing in Lewis Road, Mitcham, at 7.25am yesterday morning. 

A 23-year-old man was taken to a south London hospital after being stabbed in the buttocks. His injuries are not thought to be life threatening.