[JURIST] Flavio Sosa [AP profile], a leader of the popular uprising in the Mexican state of Oaxaca [BBC backgrounder], was arrested late Monday after arriving in Mexico City for negotiations with the federal government. Sosa, a prominent figure in the People's Assembly of Oaxaca (APPO) [coalition website, in Spanish], was jailed [APPO press release, in Spanish] in a maximum-security facility on five charges, including kidnapping and robbery. In a press release [text], the Mexican attorney general's office said Sosa "is known for his use of violence, damaging private property and public byways, and also burning vehicles and buildings in Oaxaca City."

The protests against Oaxaca's governor, Ulises Ruiz [Wikipedia profile], were sparked by a teachers strike in May. Last month, a UN human rights expert expressed concern about human rights violations [JURIST report] allegedly committed by the APPO during clashes between protesters and the police. AP has more.