The said businessman had lodged a complaint with the police regarding this incident.
This incident had occurred on Tuesday (20) and according to very reliable sources, these thugs are said to be supporters of MP Vijayakala Maheswaran.
The mansion belongs to a person living in the UK and the tenants had been living there for the past 28 years.
These thugs had threatened the said businessman on several previous occasions and ordered them out of the house, but as they had not complied, the thugs had physically forced them out of the house.
A woman who had sustained injuries in the attack is currently receiving treatment at the Colombo National hospital.