Having worked at Barclays for half a year, a programmer from Kazakhstan Askhat Murzabayev earned a little over $2 million and donated the money to the International Cancer Research Center.
Police in the St Louis suburb of Ferguson arrested 15 people after fresh protests over a grand jury decision not to indict a white policeman for shooting dead black teenager.
The family of slain black US teen Michael Brown said they were "profoundly disappointed" by a grand jury's decision not to charge the white police officer.