The attack occurred on the outskirts of Ghazni, capital of the eastern province of Ghazni, which has seen regular fighting between the Taliban and government forces.
"Based on initial information, eight people were martyred, and 31 others were wounded," Interior ministry spokesman Tariq Arian said, noting the final toll would change.
The move was immediately opposed by the Opposition Democratic Party of the President-elect Joe Biden, whose lawmakers described it as a threat to national security.
The journalist killed has been identified as Yama Siawash, who had worked with Tolo News. Kabul police said the explosion happened at around 7:30 am on Saturday morning. No group has so far taken responsibility for the attack.
Hamid Obaidi, a spokesman for the ministry of higher education, told AFP that gunfire erupted when government officials were expected to arrive for the opening of the book event.
Initiated through an open call earlier in the year by the Serendipity Arts Foundation and Les Rencontres d'Arles, supported by the French Institute in India, the grant Jury has shortlisted 10 applications from hundreds received
Prosecutors said they would have recommended a harsher sentence for Yeo, who pleaded guilty to acting as an agent of a foreign government, but for his cooperation.
At the time, such changes were considered controversial, but not nearly as controversial as the plan to put the calendar back into sync with the seasons.
The United States first intervened in Afghanistan following the September 11, 2001 attacks and dislodged the Taliban regime, which had welcomed Al-Qaeda.
At least 15 people were killed and 42 others got injured in a car bombing outside a district office in Afghanistan's eastern Nangarhar province on Saturday.
