The personal secretary and an adviser to Mexico City’s mayor were shot dead Tuesday, authorities said, in the worst attack against public officials in the capital in recent years.

MEXICO CITY — Two top aides of Mexico City Mayor Clara Brugada were shot dead after being ambushed by gunmen on a motorbike in a daytime attack in the city center on Tuesday. The victims were ...

The private secretary and an adviser to the mayor of Mexico City were gunned down in an attack in the Mexican capital Tuesday. Mexico City Mayor Clara Brugada said Ximena Guzmán and José Muñoz ...