Ken Block posts about daughter Lia hours before tragic death

Ken Block was a motorsport athlete known for his "gymkhana" stunt driving videos.

Details of the accident are not yet clear.

Block was a pioneer in the rally racing community and competed on the international stage.

He was also active in other action sports such as motocross and skateboarding, and was a competitive snowboarder.

Block gained a large following on social media and was known for his "gymkhana" stunt driving videos.

He co-founded DC Shoes in 1994 and was survived by his wife and three children, including teenage racing driver Lia.

Tributes have been paid to Block by fellow drivers and the automotive community.

The cause of the snowmobile accident is under investigation.

This is what he posted on facebook before his death.