Tangalle is 100 miles (161km) south of Colombo and among those arrested was the chairman of the local council, Sampath Chandrapushpa Vidanapathirana, 24.
BBC: Sri Lanka murder victim Khuram Shaikh's brother speaks out
2.
Skipper Mahela Jayawardene was discharged from hospital after treatment for a minor leg injury, while Thilan Thushara and Sampath Lakmal also underwent hospital treatment.