A few days ago at Lamma Island in Sai Kung,  Hong Kong,  a swimmer at the beach reported to the police that they had seen a shark.   After an investigation by the Marine police,  they confirmed the shark sighting in nearby waters.   This is the third time over the past 10 days that there has been a shark sighting in Hong Kong.   Those of you who like to go to the beach should beware and not take this lightly.   Perhaps,  consider having some fun at a swimming pool for the time being.