A woman suffered head, face and arm injuries after falling from a window.
Paramedics were called to a house in Buckingham Place, Brighton, shortly after 4.30am today.
The woman, in her 20s, was reported to have fallen about eight metres into the basement.
Firefighters from Preston Circus were called to help paramedics get the woman out.
She was taken to the Royal Sussex County Hospital in Brighton for treatment.
Crews were on the scene for around 45 minutes.