Officials said back-to-back explosions targeting a military training center in the Afghan capital have wounded at least four Afghan national army soldiers.

Kabul police spokesman Firdous Faramarz said the explosions early on Monday happened on the western edge of Kabul.

Interior Ministry spokesman Nasrat Rahimi tweeted that the target of the attacks was the Kabul Military Training Center. He said the explosions were suicide attacks.

Emergency workers were on the scene and the full extent of the damage and casualties was still being determined.