Police are continuing to question a 28 year-old man after a woman's body was found in an underpass in Bracknell.
A witness said the 43 year-old victim was lying in a pool of blood with a glass bottle next to her.
Thames Valley Police have urged any potential witnesses who were near the scene in Bay Drive in the early hours of yesterday morning to get in touch with them.
More top news
Before the final declaration on Friday, the Conservative candidate looked set to lose the City Hall race to Labour's Sadiq Khan.
The Tooting MP has been the frontrunner in the counting process ahead of Tory challenger Zac Goldsmith.
It's not just London where elections have been taking place today. There were council elections taking place across the home counties.