An official told TOLOnews on Saturday morning that at least 135 soldiers were killed in Friday afternoon’s attack on the Afghan National Army’s 209 Shaheen Corps Headquarters in Balkh province.

A number of soldiers from Afghan National Army’s 209 Shaheen Corps Headquarters in Balkh province, who survived the deadly attack on Friday but are being treated at a public hospital in Mazar-e-Sharif city, said attackers must have had inside help to gain access to the heavily fortified military base.