Deputy Inspector General of Police (DIG) Vaas Gunawardena has been arrested over the murder of a businessman from Bambalapitiya.
The DIG was arrested by the Criminal Investigations Department after he was extensively questioned this evening over the incident.
A police Sub Inspector (SI) and two other policemen were arrested last week over the same murder.
The CID has also questioned DIG Vass Gunawardena last week over the incident.
Mohammed Shyam, 35, a businessman involved in the footwear industry residing at Sagara Road in Bambalapitiya was killed on 22 May.
His body was found in Dompe after he was reported missing. (Colombo Gazette)