POLICE have surveyed the sunken tug Biter on the bed of the Clyde off Custom House Quay following the tragedy which saw her capsize and go down with the loss of two crewmen.

Force boats along with other vessels were spotted working at the site of the tragic accident on Thursday afternoon.

Officers say they have started a survey of the sunken vessel as part of their ongoing investigation work.

Greenock man George Taft, 65, and Ian Catterson, 73, from Millport perished during the tragedy on Friday February 24.

A police spokesperson said: "Police Scotland, along with partner agencies, are carrying out a survey of the capsized tug as part of the ongoing investigation."