Willian put Chelsea 2-1 ahead over Man City and then paid tribute to Chapecoense.
Twitter's reaction to the incident was as calm and measured as you might expect.
English Premier League: Diego Costa (60') Man City 1-1 Chelsea
Kevin De Bruyne has a chance to double City's lead, but his chance hits off the crossbar.
David Luiz made no attempt to play the ball against an onrushing Sergio Aguero, but should he have been shown red?
Gary Cahill diverted a Manchester City cross past the outstretched Thibaut Courtois.