A man is due before a Cork court later today charged in connection with an aggravated burglary in the city.
It happened in the Mahon area early yesterday morning.
A man broke into a house but was discovered by the homeowner.
He then hit the woman - who is in her 50s - with a metal travel mug, injuring her head, before fleeing the scene empty-handed.
A man in his late 20s was arrested a short time later.
He is due before Cork District Court today, charged in connection with the incident.