A special vote is taking place in Australia this weekend asking people whether Australia's constitution should be changed. The referendum seeks to create a body called the Aboriginal and Torres Strait Islander Voice, which would allow Australia’s Indigenous communities to advise the government on issues that impact their lives.

Tiffanie Turnbull, a BBC reporter based in Sydney, explains how the referendum came about, why people are campaigning for and against it, and how it has stoked racism and tension.

(09:40) In gaming news, Microsoft has been cleared to buy Call of Duty maker Activision Blizzard. That's after the U.K.'s competition regulator blocked the original $69bn bid back in April. Alex from the What in the World team explains what it all means.

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