Fifteen cadets were killed when the bus they were traveling in was targeted in a suicide bombing in Kabul on Saturday afternoon.
The explosion happened in PD5 district of Kabul city at about 3.30pm on Saturday afternoon.
The ministry of defense's spokesman Dawlat Waziri confirmed the death toll and said four others were wounded.
According to sources the blast was at the entrance gate to the Marshal Fahim Military Academy, near Qambar square.The cadets were trainees from the Daud Khan Military Hospital.
Sources said a mini bus carrying cadets was targeted in the suicide bombing.
This comes just hours after an early morning rocket attack hit Kabul. At least three rockets were fired at foreign facilities at about 6am Saturday morning.
This also comes less than 24 hours after a deadly suicide bombing at the Imam Zaman mosque in Dast-e-Barchi in Kabul city that killed at least 39 people.
On Friday, Gen. John Nicholson, commander of US-Forces Afghanistan, issued a statement and said the US and NATO was committed to helping the Afghan security forces.
"The brave men and women of the Afghan National Defense and Security Forces and the people of Afghanistan have my personal assurance that we remain committed to our Afghan partners and our mission in Afghanistan.
"The United States and the NATO-led Resolute Support are firm in our resolve to create a secure, stable and peaceful Afghanistan,” he said.
"All too often it is clear that the enemies of Afghanistan offer nothing for the future of this beautiful country and its people.
"Our mission is to stand with the Afghan security forces and Afghan people, and to support them in the fight against terrorism, our common enemy. We will carry out that mission and we will remain steadfast.”