Lewis Hamilton took his 90th career victory by beating Mercedes team-mate Valtteri Bottas in a chaotic, incident-strewn Tuscan Grand Prix.

The race was punctuated by two red flags, the first caused by a pile-up on the pit straight, the second by a high-speed crash for Lance Stroll.

In one of the most dramatic races for years, six cars had retired before a lap of racing had completed.

Red Bull's Thai-British driver Alex Albon took a maiden podium in third.

Hamilton's win was his sixth in nine races this season and, coupled with a fastest lap secured on the penultimate tour, it extended his championship lead to 65 points as the season passes halfway, and puts him just one behind Michael Schumacher's all-time record of wins.

At the pre-race anti-racism demonstration, as he did his post-race interviews, and on the podium, Hamilton wore a T-shirt saying: "Arrest the cops who killed Breonna Taylor."

It refers to one of a number of controversial cases in the US in which police officers have shot and killed black civilians.