Gabriel Burgos was in his office when a package he was opening exploded. The extent of Burgos' injuries was not immediately known and he was rushed to a hospital.
"There was an explosion ... he is injured, but I don't know how badly," said ministry spokeswoman Carol Ramirez.
The attack comes after weeks of protests by students and teachers who say a new budget plan will cut funding for education, something the government denies.
If you want to control someone, make him afraid. If you want to justify yourself, create a “them” to justify the “us”. Study: Russophobia, a western disease