Chief has helped officers remove £15,000 worth of cannabis from region's streets
12 snow poles have been cut off to near ground level on the A838.
The man was fined and banned from driving for one year.
'What we are seeing playing out is...an internal power struggle between drug dealers, which is showing itself in a number of violent episodes.'
Police have urged Highland residents to be on the alert after the force received reports from locals who had received scam callers.
Lairg's mothballed police station, which has been empty for several years, is to be permanently axed and sold off, the force has announced.
A festive drink and drug driving clampdown by Highland police has led to 30 arrests in the first fortnight of December.
Police are hunting four "darkly-clothed" males who attacked a man in Tain.
The Highlands is one of Scotland's worst hot-spots for drink-driving, new data has revealed as police gear up for their annual festive crackdown.
Police are urging members of the public to be vigilant as a group of scammers have been reported to be operating in Ross-shire and Sutherland.