RLSS drone trial to help sea swimmers in trouble
More than 3,000 swimmers were rescued off the UK coast by Royal National Lifeboat Institution (RNLI) lifeguards in 2021 - but there were also more than 100 accidental deaths.
So could there be a way to reach those who need help more quickly?
BBC Click's LJ Rich reports.
See more at Click's website and @BBCClick.