Euro zone leaders will hold an emergency summit on Monday after the region's finance ministers failed to agree a reform-for-aid deal with Greece.
Greece's central bank has warned that the country could experience an "uncontrollable crisis " and "Grexit" if talks with lenders fail.
U.S. Secretary of State John Kerry said Russia's plans to buy more intercontinental ballistic missiles could herald a return to the "Cold War."
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CNBC looks at how the computer systems in F1 cars have made their way into regular vehicles.
FIA President Jean Todt discusses his start with the Ferarri team and the current problems facing F1.
F1 experts discuss whether the quieter engine sounds are making the sport less attractive.