Afghanistan Interior Ministry on Tuesday said six people were killed and 12 others injured in an explosion close to a military academy in the capital Kabul.
According to the ministry, a suicide bomber blew himself up at a roundabout close to the Marshal Fahim Military Academy.
Nasrat Rahimi the Ministry spokesman said two civilians and four army personnel were killed and at least 12 others, with a five civilians, were wounded.
According to Nasrat, the figures are initial and subject to change adding that the site of the incident has been cordoned off by security forces.
There was no quick claim of responsibility for the attack.
In a WhatsApp message, a Taliban spokesman told dpa that the insurgents were still investigating whether they were involved in the attack in any way.
Ashraf Ghani, Afghan President called the bombing a crime against humanity.
Ashraf said in a statement that the nation demands an immediate end to the violence and a durable ceasefire.
Representatives of the Taliban and the U.S. are recently holding talks in Qatar aimed at ending the war in the country.
The European Union Special Envoy for Afghanistan Roland Kobia tweeted going through the attack: “You want to be heard? Do politics, not butchery.’’
“Be it to derail peace talks or to put pressure on them, terrorist attacks are unacceptable and counterproductive.”