On Wednesday, July 9, police cars, ambulances and several fire engines were seen outside Crawley Hospital following suspicions of a chemical leak. NHS Sussex and Surrey said that one person received a precautionary assessment but was discharged at the scene. Crawley Hospital in West Green Drive, West Sussex, has operated from its present building since 1961. Sussex and Surrey NHS deliver a number of clinical, outpatient and day surgery services from the site. The spokesperson for NHS Sussex and Surrey said: "We thank staff and emergency service partners for their swift and coordinated response.