T least three people have been killed and more than 100 injured, some seriously, in two explosions at the finish line of the Boston Marathon .

A little boy was left fighting for his life in hospital after a horrific allergic reaction to epilepsy medication made his skin fall off in chunks .

BURSTING from the water, a beautiful but deadly Sumatran tiger jumps for food in an Indonesian zoo .

THEIR gnarling teeth at the ready, these two baboons fight it out for the last piece of fruit .

WEARING tiny Christmas accessories, these adorable babies get into the spirit of the season .

Sitting all alone on drift ice in the Arctic Ocean, this lonely little fella looks lost .

This is the crazy art project that is going ballistic - placing a huge squishy 15ft red ball into tight spaces .

A cheeky gorilla sticks her tongue out and plays up for the camera at Bronx Zoo .

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 .

KICKING back and relaxing with his arms outstretched, this chilled-out frog appears to be loving life as he takes some time out on a water lily leaf .

A terrified moose, trapped in a frozen lake, bobs her head above the icey water and awaits her rescue .

A scoliosis sufferer was heartbroken to learn surgery would stop her dancing - but she battled through the pain to complete her GCSE dance exams and earn A* .