Republican National Convention gets underway in US

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Republicans in the United States have begun their national convention with dire warnings about the country's future if Joe Biden were to defeat Donald Trump in November's presidential poll. Speakers claimed Mr Biden would be a radically left-wing leader. Police in the US city of Kenosha have fired tear gas to disperse protesters who defied an overnight curfew. Hundreds had gathered outside the county courthouse as darkness fell. The German chancellor, Angela Merkel, has urged Russia to carry out a full investigation after doctors in Berlin confirmed that the Kremlin critic, Alexei Navalny, was poisoned. The hospital in the German capital said his condition was not currently life-threatening, but long- term damage to his nervous system could not be ruled out.