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
A group of otters put on a show of aqua aerobics, as they raise their flippers perfectly in sync .
The aurora lights captured in Blair Nebraska, America - WITH electrifying purple and illuminous green brightening up the night sky, this is the rare moment a flash of 'sprite' lightening was captured on camera .
BLOWING bubbles underwater, this adorable polar bear slides into his tank for a playful dip .
A SPECTRUM of colours fills the sky during this spectacular and natural display of light .
A KITTEN'S teaparty and rat's playing dominoes are the bizarre creations by one of Britain's great eccentrics pictured in an incredible new book .
A dog was SOW close to death after she dangerously swallowed a two-inch NEEDLE-Cute Shih Tzu Daisy could have pierced her intestines after eating the long needle and thread after finding it on the carpet .
Lying angelically with a range of expressions etched on their tiny faces, little bundles of joy are innocently captured in their first few days in these adorable photographs .
A northern potoo shows it is a master of disguise as it perches on a tree stump and blends into the bark .
A trio of ants are locked in a tug of war over a fly as they pull the bug by its legs .
Exploding out of the water, a great white shark performs a backflip during a hunt for seals .
PERCHING on top of a gate, this young barn swallow waits patiently for his mum to return with dinner .
A little clownfish opens its mouth to reveal a blood sucking intruder living on its tongue .