A man died last year after being attacked by a shark off the coast of Cape Cod. It was the first fatality from a shark attack in Massachusetts since 1936.
France's largest aquarium is facing legal action from an NGO over the deaths of 30 hammerhead sharks.
What was supposed to be a diving lesson ended in the saving of a shark, who had plastic netting stuck in its mouth.
A beach on the Spanish island of Majorca had to be evacuated after a three-metre-long shark was seen swimming near the shore on Thursday.