Mexico 'Massacre' Protesters Set Government Office on Fire

Mexico 'Massacre' Protesters Set Government Office on Fire

Masked teachers detain a police officer during clashes in Chilpancingo, the capital of Guerrero state, Mexico.(AP)

Chilpancingo, Mexico: Protesters fuming over the disappearance of 43 college students set a government office alight in southern Mexico on Wednesday in another day of angry demonstrations over the presumed massacre.

Firefighters battled the blaze after some 150 members of the radical CETEG teachers union ransacked the education department's audit office in the Guerrero state capital Chilpancingo.

Violent protests have erupted in Mexico since authorities said Friday that gang hitmen confessed to murdering the students and incinerating their bodies after corrupt police handed over the 43 young men in September in Guerrero.

The case has turned into the biggest crisis of President Enrique Pena Nieto's administration, undermining his assurances that his security strategy to combat years of drug violence was finally bearing fruit.

Protesters torched the Guerrero state headquarters of his ruling Institutional Revolutionary Party (PRI) on Tuesday, one day after blocking access to Acapulco's airport for several hours.

The government has stopped short of declaring the young aspiring teachers dead and the interior minister told parents on Tuesday that the search would continue.

The students vanished on September 26 after police shot at their buses in the city of Iguala, killing six people, and delivered the 43 to the Guerreros Unidos drug gang, authorities say.

Charred remains found in a landfill and river near Iguala will be sent Wednesday to forensic specialists at Austria's University of Innsbruck.