A man has been arrested on suspicion of attempted murder after a woman was attacked with a bladed object.
Thames Valley Police said a 27-year-old man from Aldermaston was arrested on Thursday following the assault in Caversham, Berkshire.
Officers said a 50-year-old woman was hit several times on the head before she fled from an attacker in Rhine Close at 16:30 GMT on Wednesday.
Thames Valley Police said the woman was in hospital in a stable condition.
The suspect remains in police custody.