At least three people have been killed and more than 100 injured, some seriously, in two explosions at the finish line of the Boston Marathon. TV footage showed bloodied runners and spectators being treated at the scene and the road strewn with debris. The FBI said that this was a "potential terrorist
THIS is the incredible moment a pelican throws a fish into the air and SLAM DUNKS it into its enormous throat sack .
A DETERMINED great blue heron holds on tightly to its prey as the furry gopher attempts to wriggle free .
PUSHING the diver out of his way, this little sea turtle shows he’s not in the mood for photographs .
COURAGEOUS climbers descend 400 metres as they manoeuvre their way through thick walls of ice .
CLINGING onto nothing but ice, this brave climber reaches heights of 1000 FEET as he scales frozen solid waterfalls .
A little clownfish opens its mouth to reveal a blood sucking intruder living on its tongue .
Dogs catch waves at the Coronado Bay dog surf championships Saturday 22nd June 2013- DOG SURFING mutts have never looked so gnarly .
HUNDREDS of hot air balloons decorate the sky above Turkey as the rising sun illuminates the spectacular scenery below .
COURAGEOUS CLIMBERS scale frozen waterfalls in Canada, as the ice threatens to collapse beneath them .
A brave leopard kicks back and relaxes in the sunshine - just inches from an enormous crocodile .
PERCHED on a branch, this Little Owl plays third wheel to two love birds .
Gigantic 100ft waves create the perfect playground for dare-devil surfers from across the world .