A man has been arrested in connection with an alleged sexual assault on an elderly woman in Caernarfon, Gwynedd.
Forensic officers have been at the house most of Saturday
Police said they were called to a house in the town just after 0300 BST after reports a woman, believed to be in her 80s, had been assaulted.
The woman was taken to Ysbyty Gwynedd, but her condition is not known.
North Wales Police said they were questioning a 34-year-old man. They are not looking for anyone else in connection with the alleged attack.
Police inquiries are ongoing and forensic officers have been at the house in Caernarfon for most of Saturday.