India on Thursday summoned Sri Lankan High Commissioner Prasad Kariyawasam in New Delhi to lodge a strong protest over the killing of a fisherman by Lankan Navy. Asserting that such incidents have no justification, the External affairs ministry spokesperson called on Sri Lankan authorities to desist from use of force. The Spokesperson said that India has consistently emphasized to the Sri Lankan Government to refrain from firing on fishermen and scrupulously adhere to the understanding reached between the two governments in 2008. He aklso called on the Sri Lankan Navy to exercise maximum restraint and avoid use of force in such situations. The External Affairs Minister S M Krishna has sought a detailed report from the Indian High Commissioner in Colombo, who has taken up this matter with the Lankan government and expressed deep concern and regret over it.