Sports Mole rounds up all of the latest news regarding Formula 1 on Saturday, December 19
News from Formula 1:
Mercedes principal and CEO Toto Wolff extends role for three years
INEOS will become a one-third shareholder as part of a team re-structuring deal. Read more.
Toto Wolff: 'No special date for Lewis Hamilton contract'
The seven-time world champion's current contract runs out at the end of this month. Read more.