The bizarre incident happened on schnauzer cross near Abington in South Lanarkshire . Sheepdog leaned on controls of tractor taking it from a field on to the road . Incident caused tailbacks as police and the farmer recovered the vehicle . Don 's owner Tom Hamilton was tending to a lamb when drama unfolded .
The bizarre incident happened on M74 near Abington in South Lanarkshire . Sheepdog leaned on controls of tractor taking it from a field on to the road . Incident caused tailbacks as police and the farmer recovered the vehicle . Don 's owner Tom Hamilton was tending to a lamb when drama unfolded .