Park officials temporarily closed the beach early Tuesday morning after 50 sharks were spotted shivering on a beach on Long Island, New York.

Robert Moses Beach, where the gray shark was spotted using a surveillance drone around 8am on Tuesday, remained closed to swimming until around 9:30am when the beach was deemed clear. according to New York Post. At around 1:45 p.m. Monday, a teenage girl suffered bites in her leg while swimming off Robert Moses Beach, while a teenage surfer suffered similar injuries to his ankles and toes at Kismet Beach on Fire Island. Suffered a small stab wound.

Both incidents were hours and about three miles apart and marked the first recorded attack by a marine animal in 2023, but only the surfer attack was confirmed to be a shark attack, according to the New York Post. the paper reported. (Related: ‘In front of me’: People who witness tiger sharks eating humans alive are horrified)

Twenty-four hours later, around 2pm on Tuesday, there were two more attacks by marine animals, according to the report. A 47-year-old man was bitten on his knee in chest-deep water off Quogue Village Beach and a 49-year-old man was bitten on his right hand off Fire Island Pines, New York, NBC suffered. report.

Long Island Shark Attack | Two swimmers were reportedly attacked by a shark off Long Island on Tuesday, a day after two other swimmers reported being attacked at a popular New York beach. https://t.co/QnnoWZIJyY

— Kite TV 4 (@KITV4) July 5, 2023

According to the New York Post, eight shark attacks have been reported on Long Island in 2022, an unusually high number. In response to the surge, Democratic New York Governor Kathy Hochul announced “increased surveillance to monitor shark activity near beaches off the South Shore and further action to protect beachgoers.” according to May 2023 statement. she encourages[d] All New Yorkers are encouraged to listen to local authorities, follow their guidance, and take precautions to ensure safe and responsible beach travel this summer. The increased surveillance measures by New York State Parks include increasing the number of surveillance drones from eight to 18 and increasing the number and capacity of park employees, according to a statement.

Despite its “ferocious” appearance and row of jagged teeth, sand tiger sharks are docile creatures and will only attack humans in self-defense. according to National Geographic. No human deaths from sand shark attacks have been reported worldwide. according to Florida Museum of Natural History.