“In Mexico, the mayor of a major city was murdered six days after he was sworn in. The murder on Sunday underscores the security challenges facing the country’s new president, Claudia Sheinbaum. Emily Green reports. And a warning – some will find the details in this report distressing.”

“The killing presents a first big test for Claudia Sheinbaum, who was sworn in as Mexico’s president last week.”

Some American reports describe Chilpancingo as a little town. It is “the capital of the violence-plagued state of Guerrero”.