Thousands of Mexican opposition activists have marched in the southern city of Oaxaca to demand the release of more than 150 protesters detained last month.
The marchers Sunday also demanded the resignation of Oaxaca state governor Ulises Ruiz for alleged corruption. They also called for the withdrawal of thousands of federal police from the city.
The Oaxaca protesters are a coalition of leftists, students and Indian groups who took over the city center for five months until federal police drove them off in October and November.
The unrest began in May as a strike by teachers, but other groups soon joined the demonstrations. At least nine people have been killed.
Some information for this report was provided by AP.