New York ramps up shark patrols after officials say a man may have been bit at a Long Island beach amid an uptick in sightings

A "no swimming" sign is seen near Ocean Beach on Fire Island in Islip, N.Y., Thursday, July 19, 2018, after two children were bitten in the leg in possible shark attacks.

Seth Wenig/Associated Press

• A man may have been bit by a shark off a Long Island beach on Thursday, officials said.
• The injury came amid an increase in shark sightings in New York that began last summer.
• Officials are implementing more shark patrols, but experts stress the risk of an attack is very low.