Police in North Otago are "desperately" seeking witnesses to help shed light on how a man was left paralysed for life after becoming tangled in a boating rope at Lake Benmore.
Police were called to the lake's Ohau C camping ground on December 28 to attend an incident involving a 73-year-old man from Timaru and two vehicles with boat trailers on the camping ground's boat ramp, police said.
Senior Constable Bruce Dow, from Oamaru, said due to "conflicting witness versions" police needed to hear from more people who may have seen the incident take place.
Sen Const. Dow said a red Mitsubishi and a green Toyota Prado had both backed down the ramp, one to unload a boat and the other to load a boat at about 3.20pm.
"The elderly man had assisted a relative to unload a boat and was holding on to a rope attached to the boat. The elderly man's boat drifted into the path of the other boat waiting to be loaded on to the trailer waiting for it, preventing it being loaded.