Venezuela’s Maduro tightens grip on power, helped by coronavirus lockdown
President Nicolas Maduro accuses opposition leader Juan Guaido of being behind a military raid designed to oust him during an online press conference in Caracas on May 6, 2020. (CNN)Venezuela’s embattled ruler President Nicolas Maduro has made the most of the coronavirus lockdown to stamp his authority over the country’s key political institutions, all in…