However, the student ISNA news agency reports that two people were wounded when a bomb went off in the governor's office. It says a second bomb exploded minutes later in another government office.
Kermanshah, some 140 kilometers from the Iraqi border, has a large Kurdish population. Iran's Kurdish region has been hit by a wave of unrest over the past year.
Further south, the oil-rich Khuzestan province has also been hit by a wave of bombings linked to ethnic Arab separatists.