Our summer-sun credits may have been exhausted on the World Cup

Alesana Seneka drowned at Papamoa Beach on Tuesday after trying to retrieve cray pots from the water. His family say his death was "something we didn't expect to happen."

In a four-part series, experts take a look at the toxic surprises that could be lurking in the backyard, beach or bush - or even the bathroom - this summer. We start with a look at the beach.