Gardaí in Letterkenny made several arrests over the weekend in relation to drug and drink driving.
The Roads Policing Unit arrested a driver on suspicion of drink driving after lunchtime yesterday.
The driver had been socialising the previous night and they then tested almost 3 times over the legal limit back at the station.
A trip to Court will follow.
They also arrested two drivers yesterday and one driver today on suspicion of drug driving.
All three tested positive for cocaine.