Nicaraguan bishops and clergy were attacked by armed groups aligned with the government July 9 as violence in the Central American country escalated and affected the Catholic Church.
The Mexican bishops conference congratulated presidential election winner Andrés Manuel López Obrador, who won a landslide victory on an agenda of change and promises to combat corruption and poverty.
Clergy from the Archdiocese of Managua, Nicaragua, had planned to pray for peace June 21.
Instead, bishops from the archdiocese, Archbishop Waldemar Sommertag, apostolic nuncio to Nicaragua, and about 30 priests from the capital traveled to pray in the besieged city of Masaya.
The Mexican bishops' conference has criticized the practice of U.S. officials separating migrant families, joining a chorus of condemnation south of the border as Mexicans react with outrage to the sight and sounds of children being confined in shelters far from their parents.