Andy Dickenson reports from Ardingly Reservoir
Extensive rescue searches are ongoing this morning (Monday 19th July) at the Ardingly Reservoir in West Sussex.
Emergency services were called to the site just after 6pm on Sunday evening and began searches immediately.
A 49-year-old man has not been since he went missing whilst swimming with friends.
Searches will continue today with the assistance of the National Police Air Service helicopter.
It is the second incident of its kind in the Meridian region from the weekend, following the death of a girl who was pulled from a lake in Oxfordshire.