Iran has been involved in the war in the Afghan province of Ghor and the fall of Taywara district, an Afghan official said on July 25.
Afghanistan's Defense Ministry says 26 soldiers were killed and 13 wounded in a Taliban attack on a military base in the southern province of Kandahar, although other government officials said the death toll was at least 30.
In a major sign of long-term support for Afghanistan, the United States is moving to support the weak Afghan Air Force.
As the self-declared caliphate of the Islamic State (IS) crumbles in Iraq and Syria, Afghanistan is bracing for an influx of radical fighters from the Middle East.
Afghan officials say a Taliban suicide car bombing has killed at least 26 people and wounded 41 others in the capital, Kabul.
Afghan officials said the Taliban have seized control of two districts in northern and central Afghanistan, though the Defense Ministry maintained that fighting was still ongoing.
An Afghan bride has been killed and several others wounded after security guards shot at her wedding convoy, allegedly mistaking celebratory gunfire for an armed assault.
Armed conflict continues to pose a huge risk to everyday citizens of Afghanistan, with 40% of civilian casualties caused by improvised explosive devices.
In a sign of entrenched mistrust between Afghanistan and Pakistan, Afghan lawmakers and officials have opposed Islamabad’s new offensive against the Islamic State (IS) militants.
The number of civilians killed and wounded in conflict in Afghanistan in the first half of 2017 remains at the same record high level as last year, the United Nations mission in the country says.
Iran is trying to boost the image of the Fatemiyoun Division, Afghan fighters recruited by Tehran to fight in Syria, as the group suffers high casualties on the battlefield.