English edition of Asharq Al-Awsat - the world's premier pan-Arab daily.
A Taliban spokesman swiftly took credit for the blast, claiming it destroyed a military vehicle and killed seven "foreign invaders".
A suicide auto bombing of a North Atlantic Treaty Organisation convoy in southern Afghanistan has killed at least one Romanian soldier and has injured two more.
The soldiers were traveling in a convoy in the Kandahar region, the ministry said in a statement.
The worldwide troops stationed in Kandahar are referred to as the Train, Advise and Assist Command south, a reference to their location in the country.
The Taliban was driven from power in Afghanistan by a USA -led invasion following the September 11, 2001, terrorist attacks in the United States - carried out by Al-Qaeda, whose leaders were sheltered by the Taliban.
"The security situation in Afghanistan remains unstable, with the majority of incidents occurring in eastern and southern provinces", the ministry said in its statement, according to Reuters.
"NATO forces securing the military bases and major centers of the country remain permanent targets for possible attacks by insurgents", it added.
Gen. Nicholson who is also in lead of the US Forces for Afghanistan, said "Our hearts go out to our Romanian comrades for the loss of their soldier".
United States military commanders in Afghanistan have requested for more additional troops, however, the request is held up in Washington, where USA president Donald Trump has expressed scepticism over extending the American commitment.