"We still do not know the target of the attack, but Afghan Voice Agency is in the area of the attack", interior ministry spokesman Najib Danish said. He said that two blasts after the suicide bombing within the Tebyan center were caused by improvised explosive devices that inflicted relatively few casualties.
"This gruesome attack underscores the dangers faced by Afghan civilians", Reuters reported rights group Amnesty International saying in a statement from its South Asia Director, Biraj Patnaik.
Interior Ministry spokesman Najib Danish said an unknown number of suicide attackers set off an explosion outside the center before carrying out an attack inside.
He said one reporter at the agency had been killed and one injured.
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The president - speaking to five members of the military deployed in Kuwait, Qatar, Guantanamo Bay and aboard the USS Sampson - thanked the troops and families of service members overseas.
No claims of responsibility have been made for the explosion - in Kabul, Afghanistan - and the Taliban has issued a statement denying any involvement.
The incident follows an attack on a private television station in Kabul last month.
Afghanistan is among the world's most risky countries for media workers, with two journalists and five media assistants killed doing their jobs this year, before today's attack. The country is ranked 120 out of 180 on the organization's Press Freedom Index. "But many governors and local officials are unable to accept the principle of media independence, and the police and military are implicated in several cases of violence against journalists", the note read.
Afghan Journalists Safety Committee recently reported a surge in attacks against journalists, with at least 73 cases recorded in 2017, an increase of 35 percent compared with 2016. The numbers marked a 35 percent increase over the same period a year ago.