“Not a sign from anybody in my industry, which of course is a white-dominated sport. I’m one of the only people of colour there yet I stand alone.
“I would have thought by now you would see why this happens and say something about it but you can’t stand alongside us. Just know I know who you are and I see you.
“I do not stand with those looting and burning buildings but those who are protesting peacefully. There can be no peace until our so-called leaders make change.”
Hamilton’s Mercedes team have since adopted an all-black livery for their car for the 2020 season in a show against racism.
Before the race, Ferrari’s Leclerc had explained that he would not take a knee.
The Monegasque said: “All 20 drivers stand united with their teams against racism and prejudice, at the same time embracing the principles of diversity, equality and inclusion, supporting Formula 1’s and FIA’s commitment.
“I believe that what matters are facts and behaviours in our daily life rather than formal gestures that could be seen as controversial in some countries.