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
FLYING through the air, these delighted pooches pull their best poses mid-flight .
ROLLING across a 65-metre-high viaduct in the Alps, the red carriages of the Bernina Express add a splash of colour to the spectacular snow-covered Swiss surroundings .
A mining town in Australia’s outback appears to be completely deserted, but its residents have escaped the scorching heat by living in underground caves .
TUGGING at his exhausted mum's ears, a beautiful baby orangutan refuses to settle for a nap as he begins a game of peek-a-boo .
RESTING his weary head on his flipper, this little seal pup takes a much needed nap after an afternoon of strenuous yoga .
A trio of ants are locked in a tug of war over a fly as they pull the bug by its legs .
From vibrant blues to dazzling oranges, these eye catching hummingbirds proudly show off their impressive colours .
If you had to scrape the snow off your car this morning or slip-slide your way into work over icy pavements spare a thought for these little critters .
HUDDLED together on a branch, a pair of adorable Javan scops owls soak up the sun .
Playing, splashing and generally messing around, these polar bears show they certainly have a soft spot for the water, and not just each other .
