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
Throwing their arms up in the air, these energetic squirrels play a game of ball with a walnut .
BEHIND the doors of this building, with its stacks of mattresses and discarded remains of wheelchairs, lies another victim of austerity cuts .
WITH A wide smile plastered across his face, this little gecko is ready for his close up .
A diver explores the crystal clear waters of the Silfra canyon in southern Iceland, which is the only place on Earth where you can dive or snorkel between two continental plates .
SITTING in the middle of a vast desert, an abandoned cinema is still waiting for its first movie to be screened .
An adorable little squirrel wakes from a nap and pops out his tongue for the camera .
15-foot-long great white sharks on the hunt, in False Bay, South Africa - SHOCK and awe pictures of 15-foot-long great whites on the hunt will leave you stunned .
A proud gorilla mum welcomes her newborn baby western lowland gorilla, a critically endangered species .
A brave leopard kicks back and relaxes in the sunshine - just inches from an enormous crocodile .
Full of tired and busy commuters, these underground stations are rarely admired for their architecture or beauty .
ROLLING up snow in its tiny paws, this little squirrel is looking for a snowball fight .
WHETHER FLOATING through space or diving underwater, a lucky baby boy enjoys once in a life time experiences - in his DREAMS .