The explosions have taken place in the vicinity fo the Pul-e-Sukhta area in the West of Kabul city but there are no reports regarding the type of the blast.
The Ministry of Interior confirmed that 40 people were killed and 31 others were wounded in the explosions that took place inside a cultural and media organization.
The Ministry of Public Health officials earlier had said preliminary reports indicate at least four people have been killed and around eighteen others have sustained injuries in the attack.
According to media rights advocates, the target of the attack was a media agency and as a result several people have been killed or wounded.
The ministry of interior spokesman Najib Danish said preliminary reports indicate the explosion was triggered by a suicide attack.
No individual or group has so far claimed responsibility behind the attack.