The Air Ambulance landed on the Palestra site opposite Southwark Station on Wednesday.
The controversial Palestra building is due to replace the now demolished Orbit House, housing part of the British Library's India collection, which stood on the corner of Union Street and Blackfriars Road.
For the latest local news and events direct to your inbox every Monday, you need our weekly email newsletter SE1 Direct.
7,000+ locals read it every week. Can you afford to miss out?
Read the latest issue before signing up