Sam Bird has been stripped of his victory in Sunday's Hong Kong Formula E race after being handed a five-second time penalty, making Venturi's Edoardo Mortara the new winner.

Bird provisionally took his second win of the season in Hong Kong following contact with Andre Lotterer on the penultimate lap of the race, hitting the DS Techeetah driver at Turn 2 in a move that left Lotterer's car with damage and a tyre puncture.

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The stewards quickly announced that Bird was under investigation for the move, with confirmation arriving more than three hours after the chequered flag that a five-second time penalty had been handed down as the Briton was deemed predominantly to blame for the collision.

As a result, Bird drops to sixth in the final classification, with Venturi driver Mortara moving up from second to claim his maiden Formula E victory.

Audi's Lucas di Grassi is confirmed in second ahead of Bird's Envision Virgin teammate, Robin Frijns, who completes the podium in third.

Daniel Abt and Felipe Massa also gained a position as a result of Bird's penalty, moving up to fourth and fifth respectively.