Nick Cassidy won Formula E's season-ending London E-Prix in his final start with Jaguar, as Porsche won out over Nissan in a very straightforward conclusion to the teams' title battle.
Any hopes Nissan may have harboured of overturning an already-brutal 37-point deficit to Porsche went up in smoke almost immediately, with several incidents for both drivers' champion Oliver Rowland and his team-mate Norman Nato.
Rowland had his front wing damaged in battle with Mahindra's Nyck de Vries, then had a clumsy collision with Andretti's Nico Muller - lunging down the inside of Turn 1 to keep third place, washing out wide and trying to rejoin the racing line, which led to contact that triggered DNFs for both himself and Rowland.
Nato had already found himself in the wall earlier, after contact with Taylor Barnard in what was his McLaren team's final Formula E race. Barnard's team-mate Sam Bird also didn't reach the finish.

The two incidents caused a safety car and a full course yellow respectively, but Cassidy controlled the race all throughout, signing off from his Jaguar stint with a London double win and ending up just 28 points back from Rowland in the standings.
Team-mate Mitch Evans was due to complete a Jaguar 1-2, but had picked up a five-second penalty for speeding under full course yellow, so was relegated to fifth upon taking the chequered flag - by De Vries, Sebastien Buemi and Jake Dennis.
Top 10 finishers
1 Cassidy
2 De Vries
3 Buemi
4 Dennis
5 Evans
6 Da Costa
7 Guenther
8 Wehrlein
9 Di Grassi
10 Beckmann