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
HUDDLED together on a branch, a pair of adorable Javan scops owls soak up the sun .
These photographs of extreme weather capture storms furiously rolling across the sky above America .
STARING intently into the camera, a polar bear appears to be lost in thought while relaxing in the snow .
A ROAD KILL munching Scot has chewed on everything from a dead squirrel to an unlucky crow – all in the name of art .
HUNDREDS of colour coordinated yarns lie abandoned in this once thriving textile mill .
A DETERMINED great blue heron holds on tightly to its prey as the furry gopher attempts to wriggle free .
SURROUNDED by a snowstorm, these young polar bears battle the elements - as well as each other .
Staring death in the face, a little field mouse bravely confronts a hungry cat .
With one hand rested on his belly and the other propping his head up, this lazy lizard takes an afternoon break .
LYING back in the snow, these two polar bears share a cuddle as they call time out on playtime .
They say breakfast is the most important meal of the day and for this greedy camel he can't get enough of his morning feed, as he gate crashes his owner's mealtime .