Andrew Barber, 39, was rescued after carving the word "HELP" on a rock and drawing "SOS" in the mud.
source https://www.ndtv.com/world-news/man-rescued-after-carving-help-on-rock-survives-9-days-on-pond-water-9072705#publisher=newsstand
source https://www.ndtv.com/world-news/man-rescued-after-carving-help-on-rock-survives-9-days-on-pond-water-9072705#publisher=newsstand