Kuala Lampur, Nov. 21 -- The combination of sun, sand and sea sounds like the perfect holiday, but there are some dangers you should watch out for at the beach, especially if you are with young children.

Local media reported atwo-year-old Russian boy died yesterday after being stung by a box jellyfish while paddling in shallow water at Pantai Cenang in Langkawi, Kedah.

This comes after a seven-year-old girl died from a box jellyfish sting off Pantai Sawangan in Kota Kinabalu, Sabah back in August.

Box jellyfish stings, while not always common, can be deadly, especially to children.

Here's what you need to know about box jellyfish - what they are, how dangerous they can be, where in Malaysia they are found, and how to survive a sting....