Mexican authorities have not said whether they see the slayings as targeted. They come after a year of heightened political violence.

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 mayor's private secretary,

Clara Brugada’s personal secretary Ximena Guzmán and her adviser José Muñoz were killed on Tuesday morning, in what experts believe was an organised crime hit. View on euronews