A scene is currently in place at Culver Street Car park, Salisbury, following the discovery of a body.
Wiltshire Police said in a statement: "We were contacted at around 10pm last night (13/04) after a woman in her 40s was found unresponsive.
"Despite the best efforts of the emergency services she was declared dead at the scene.A scene has been put in place while we conduct our enquiries.
"A man in his 20s has been arrested on suspicion of manslaughter.
"While we understand the public concern that this may cause, there is no wider threat to the public."
A scientific investigations team have been working in the car park this afternoon following the discovery last night.

Waste left on verge “temporarily” - Amesbury resident fined £1,000 for fly-tipping
Call for creatives to help shape the future of Salisbury Bemerton
Free and Low Cost Activities part of Breathing Spaces 2026
Five new canons join Salisbury Cathedral’s College of Canons
Luke Russe signs for the Whites from Bath City
Only Travel By Train if Essential during Red Heat Warning
Vets issue urgent heatstroke advice for pets as record high temperatures predicted
Heat Warning Upgraded to Red Warning for Extreme Heat
