Sea swells suddenly during high tide catching out beachgoers

Quick-thinking swimmer saves drowning child, 4, who climbed into deep pool

Swimmer has close encounter with whale shark

Swimmer slips on algae-covered steps as she goes snorkeling

Huge whale shark joins swimmers on beach in the Philippines

Swimmer glides along pool's bottom to avoid crowded surface

Seven swimmers perform synchronised dive into Chinese river

Braveheart! Scottish swimmer rescues Spaniard drowning on tropical beach in Thailand

Swimmers panic as snake slithers through water at beauty spot

Coast Guard rescues four people on distressed vessel taking on water off Baffin Bay, Texas

Dozens of environmentalists hold three-day swimming marathon 'to raise marine conservation awareness'

Fish leaps out of lake as swimmer takes a dive in China