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DETROIT - Joe Biden scored decisive primary victories in Michigan and three other states on Tuesday, taking a big step toward the Democratic Party's presidential nomination and casting doubt on the future of rival Bernie Sanders' fading White House bid.

DHAKA - Bangladeshi and Chinese business organizations have signed three memorandums of understanding (MoUs) to strengthen further relations and develop mutual cooperation.

Daily case count in the country set a new record on Friday at 132,830, which is an all-time high in the United States and around the world, according to the CDC.

Dawn Pang, the mother of two daughters studying in a primary school, said some teachers had "erred" when teaching students about the current affairs in Hong Kong. She cited some comments made by teachers in classes, discrediting the police as "bad guys".

Dave Clark, Amazon’s senior vice president of operations, declined to confirm the number for 60 Minutes, telling correspondent Lesley Stahl that the case total “isn’t particularly useful because it’s relative to the size of the building and then the overall community infection rate.”