Speaking to reporters in Kabul, Kamiya added that attacks by insurgents, as well as civic unrest and violence linked to power struggles between regional leaders, is likely to continue until after the elections on 18 September.
In the southern Helmand Province, a United Nations convoy was ambushed on 31 July. UN spokesman Adrian Edwards said on 1 August that a driver and a policeman were injured in the attack.
Afghanistan: Violence Increasing In South, East
Afghanistan: Battle Linked To Elections, New Taliban Tactics