OAXACA, June 20, 2016 (Xinhua) -- Federal police move an injured partner in a clash with members of the National Coordinator of Education Workers (CNTE, for its acronym in Spanish) during an operation to clear the Oaxaca-Mexico Highway near the town of Nochixtlan, state of Oaxaca, Mexico, on June 19, 2016. About 21 were detained, several wounded and apparently three people dead in the clash between police and members of the CNTE, according to the first official reports. (Xinhua/Max Nunez)