Herat,
Afghanistan - Surrounded by tight security, German Foreign Minister Frank-Walter Steinmeier arrived Friday in Afghanistan for a surprise visit.
Steinmeier, who is expected to stay several days in the country, arrived Friday morning in the western Afghanistan city of Herat in a German military plane.
It is Steinmeier's third visit to Afghanistan.
Germany currently has 3,500 troops stationed in the war-torn country and is under pressure from NATO allies to increase the presence by 1,000 soldiers by this autumn.