What is Blackout Tuesday – why are people posting black squares on Instagram?

Blackout Tuesday is taking place today (Picture: Mark Makela/Getty Images) Instagram is filling up with black squares today, to mark Blackout Tuesday. The posts form part of a day-long ‘blackout’ in response to George Floyd’s death – who died last week after a white police officer knelt on his neck for several minutes. Blackout Tuesday has come about to show solidarity for the Black Lives Matter movement. It follows wide...