Earlier in the day, the United Nations Assistance Mission in Afghanistan said the number of civilian casualties in Afghanistan hit a record 5,183 in the first half of the year, with a particularly sharp rise recorded in May amid the withdrawal of foreign troops.
"Due to possible developments on the Iranian border, additional measures have been taken ... We continue to work on this [security issue] in coordination with the relevant ministries, especially with the Ministry of Internal Affairs," Akar said.
Reconnaissance drones have been deployed to the area, the minister added.
Turkey is a transit hub for Afghan and Pakistani migrants, who illegally cross into the country from Iran to seek further refuge in Europe.