Lincolnshire Police have confirmed that an underwater team is being used in the search for missing Denise Gray.
Denise, aged 52, was reported as missing on Monday afternoon after last being seen at 12.30pm on March 3 in Revesby.
An underwater search team will be searching in the reservoir at Revesby Estate.
Denise is a US citizen with a strong American accent. She is 5’8” tall, of slim build, Hispanic appearance and has dark, shoulder-length curly hair. She was wearing a short maroon/red jacket and black trousers and also wears glasses.
Police and fire and rescue personnel are also conducting an intensive ground search of the estate.
Police are appealing to anyone who has seen someone matching Denise’s description, or who has any information which might assist the enquiry, to contact us on 101, quoting incident number 346 of March 3.