Two women were injured following separate alleged assaults in Letterkenny on Sunday evening.
The woman sustained non-life-threatening injuries.
Gardaí in the town are seeking witnesses following the incidents which took place in the Gortlee Road area at approximately 10:25pm.
They say they are following a definite line of enquiry as part of the investigation.
Those who were travelling between Ballyraine and the Kiltoy roundabout between 10:15pm and 11:15pm and have dash-cam or other camera footage are urged to get in contact with Letterkenny Garda Station.
