Transcript for Concerns grow over shark attacks
Now to the high alert after a swimmer's death in Maine and shark sightings near New York City. Here's Stephanie Ramos. Reporter: Tonight, danger in the surf. Lifeguards on shark patrol. More than a dozen sightings this week. Over a dozen shark sightings, six of which are bull sharks. Reporter: A shark spotted Saturday forcing swimming restrictions at several Long Island beaches today. Oh! Reporter: This 21-year-old college student reeling in an eight-foot-long bull shark near lido beach, weighing up to 400 pounds. Just bigger. Yeah, everything was just bigger. The teeth, the fish itself, everything. Reporter: In Alabama, 15-year-old maximus Chilton bitten in the foot by a shark when swimming. There was these deep, deep gashes on my the right side of my foot. I was like, whoa, that just happened. Reporter: This great white shark spotted off the coast of Maine just days after 63-year-old Julie Dimperio holowach was killed by one while swimming. The first known fatality in the state. Oftentimes, when you're interacting with sharks, it's a mistaken identity. Reporter: The lifeguards tell me listen out for the warnings. If you see large animals in the water, don't go in. That's what the shark may be really after. Stephanie, thank you. The search for missing
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