Red Bull to start Abu Dhabi GP from back of grid

ABU DHABI, United Arab Emirates (AP) Red Bull drivers Daniel Ricciardo and Sebastian Vettel will start Sunday's Abu Dhabi Grand Prix from the back of the grid after race stewards nullified their qualifying results because of an illegal aerodynamic influence on both cars.

Ricciardo and Vettel finished fifth and sixth respectively in Saturday's qualifying session, but were then disqualified after the race's technical delegate found that there was excessive flex in the front wing flaps.

Red Bull said in a statement that although ''disappointed that we have been singled out'' it nevertheless accepts the decision.

Vettel will start his final race for Red Bull from last spot after helping secure four straight drivers' and constructors' titles.

The German driver will race for Ferrari next season, replacing Spaniard Fernando Alonso.

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