Motor racing-Red Bull F1 team mourn death of founder Mateschitz at 78

AUSTIN, Texas : Formula One and the championship-leading Red Bull team mourned the death of the energy drink company's Austrian founder Dietrich Mateschitz on Saturday at the age of 78.

Red Bull Racing principal Christian Horner confirmed the news ahead of qualifying for the U.S. Grand Prix in Austin, Texas, where the team can clinch a fifth constructors' championship.

"What he achieved and what he's done for so many people around the world, across different sports, is second to none," said the Briton.