Drones are detecting more sharks at US beaches but do they make public safer?

Increase in sightings may not reflect increase in sharks with little evidence that threat to swimmers has risen

Experts say that despite recent increased investment in drones to monitor for sharks in states like New York, the machines have limited usefulness as a public safety tool and there does not appear to be evidence that the threat to swimmers from sharks has increased.

There have, however, been more reports of sharks around local beaches.