Video shows a series of clips taken by a US man documenting his close relationship with his late grandfather who "famously refuses help".

The filmer told Newsflare: "My grandpa was an incredible man who worked construction all his life. He very famously refused help and this montage shows it.

"We were absolute best friends, so when he recently passed away my mother gifted me a bear made out of his signature style shirts."

An adorable photo of the "grandpa bear" went viral on Twitter, where it received over 190,000 likes.

The heartwarming footage was filmed on Tuesday (December 3) in Oklahoma.

My grandpa was an incredible man who worked construction all his life. He very famously refused help and this montage shows it. We were absolute best friends, so when he recently passed away my mother gifted me a bear made out of his signature style shirts.