Mexican president contracts Covid-19 after worst week of pandemic

Mexico’s President Andres Manuel Lopez Obrador said on Sunday he had tested positive for Covid-19 amid the country’s deadliest week yet in the coronavirus pandemic, which has pushed the health system of the Mexican capital to its limits.

The 67-year-old president, who was a heavy smoker until suffering a major heart attack in 2013, said in a tweet that his symptoms were light and he was receiving treatment...