Ms Stevens' family said in a statement released through police: "We are saddened by the sudden and tragic loss of Evelyn Stevens
Evelyn was a vibrant and vivacious character, with a love of the finer things in life.
We hope that she is now resting in peace.
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Friday's weather for the west of the region
Friday's weather for the east of the region
Jonathan Udall, from Brighton, was on honeymoon with his wife Ellie Milward, who remains in critical condition in a Las Vegas hospital.