Police have charged a man and woman over the death of a 56-year-old man in Bungendore earlier this year.

About 7.25pm on Saturday, February 23, NSW Ambulance paramedics attended a home at Hope Drive in Bungendore, where they treated an unconscious man who was reported to have fallen.

Earlier today police arrested a 21-year-old man and a 48-year-old woman at a Bungendore home. The man has been charged with manslaughter and the woman with being an accessory after the fact of manslaughter.

Police will allege a fight took place between the two men that day in February and that the younger man assaulted the older man, which resulted in the latter falling backwards and hitting his head.

Police will also allege the 48-year-old woman has been complicit in providing authorities with incorrect information.

Both have been refused bail and will appear before Queanbeyan Local Court on Thursday.

Thursday 8:30am

Police have arrested a man and woman over a death at Bungendore several months ago.

A spokesman said on Saturday 23 February, NSW Ambulance paramedics attended a residential address at Bungendore, where they treated an unconscious man who was purported to have taken a fall.

The 56-year-old man was taken to Canberra Hospital and admitted to the Intensive Care Unit.

Despite medical interventions, the man passed away two days later when he was taken off life support.

Inquiries into his death were originally conducted by officers from ACT Policing before being transferred to the NSW Police Force and Coroner on February 27.

A post mortem examination revealed the deceased had suffered significant impact injuries to his head.

Strike Force Kokal, led by officers from Monaro Police District, was established to investigate the circumstances of the man's death.

Earlier today, Thursday, police attended a residential address in Bungendore and arrested a 21-year-old male and a 48-year-old female.

Police said both of the accused were known to the deceased man.

The 21-year-old man and 48-year-old woman have been conveyed to Queanbeyan Police Station where they are assisting police with inquiries.