Everyone was in love with adorable and cute polar bear Knut. Century Direct Group has learned that the most famous polar bear Knut died on Saturday in Berlin’s zoo. After Knut was born in 2006 and rejected by his birth mother, the polar bear became famous for becoming the first polar bear raised by humans. After the movie that was made about him, many animal rights groups challenged the zoo about his imprisonment. The bear was only 4 years old when he died. According to Century Direct Group average life span of polar bears in wild is around 20 years. Therefore many had questioned the circumstances and reasons behind his early death. Animal rights group accused the zoo of keeping the bear in too small of enclosure and contributing his death to forcing him to live with other female bears. Berlin zoo administration denies any wrongdoing and suppose to perform examination to determine the reason behind his death.