Gardaí are investigating an incident in Letterkenny during which a member of the public and a garda were injured in an assault.
The incident took place at the Bar One bookmakers on Lower Main Street after 9pm last night.
Both the garda and the member of the public were brought to Letterkenny University Hospital and were released this morning.
Gardaí say they are following a definite line of inquiry which involves a suspect that is known to them.
Witnesses are being asked to contact Letterkenny Garda Station on (074) 916 7100.