Two more people have arrested by police investigating an incident at an address on Preston Avenue, Prestonpans in the early hours of Sunday where a 58-year-old man suffered injuries.
The man was taken to Edinburgh Royal Infirmary but has since been discharged.
A 43-year-old man and a 36-year-old woman are due to appear at Edinburgh Sheriff Court on Wednesday.
A 42-year-old woman was charged over the incident on Monday.
