The Police said that the suspects had in their possession some personal belongings of the British man.
The 38-year-old British national was found dead at Araliya Uyana in Maligawatta this week.
The body was found with wounds caused by a sharp object.
According to reports, the British national had arrived in Sri Lanka in November and was scheduled to leave the country this week but he had extended his visa until January 25. (Colombo Gazette)