The killing of cartel boss Nemesio Oseguera, also known as El Mencho, has sparked widespread violence in Mexico. SINGAPORE: Singaporeans in Mexico should exercise a "high degree of caution" and avoid travel to high-risk states following reported security incidents in parts of the country, said the Ministry of Foreign Affairs (MFA) on Tuesday (Feb 24). This comes amid widespread violence following the killing of cartel boss Nemesio Oseguera, also known as El Mencho. In its advisory, MFA cited