INVESTIGATORS probing the death of a father in Girvan say they are following a "positive line of enquiry".

Bus driver John Kiltie, 44, died after a disturbance in the town yesterday morning around 11am.

Police were called to the incident on Park Road, along with emergency services, however Mr Kiltie was pronounced dead at the scene.

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The father of four is reported to have confronted someone who he thought was going to vandalise his car while out washing his vehicle.

Police have confirmed they are now following a "positive line of enquiry" with regards to the death.