Labrador dog Junior of Hokkaido Island in Japan stays by the side of his human family, grandmother Yoshimasa Soma and three-year-old Sukai Kimura, providing lifesaving warmth until they could be rescued from a night spent in the frigid cold of an overturned car. 

http://www.asiaone.com/News/Latest%2BNews/Asia/Story/A1Story20111118-311285.html
http://www.yomiuri.co.jp/dy/national/T111117004471.htm