A auto bomb detonated in the Afghan capital of Kabul during Wednesday's morning commute, killing seven people and wounding at least seven, officials said.
The Gardaworld security company was the apparent target, according to Nasrat Rahimi, an Interior Ministry spokesman.
He did not confirm the nationalities of the foreigners involved.
Another security source had earlier said a suicide bomber detonated his explosives close to a vehicle of the advisers of interior ministry.
Global media reports said there was no immediate claim of responsibility.
As a Taliban-linked militant group, the Haqqani Community is usually working in japanese provinces and capital Kabul and accountable for many high-profile assaults on safety forces.
Haqqani is a son of Jalaluddin Haqqani, the network's founder; his older brother is the deputy leader of the Taliban.
He said Australia appreciated Ghani's concern for the hostages - Australian citizen Timothy Weeks and United States citizen Kevin King, professors kidnapped by the Taliban in August 2016 from the American University of Afghanistan in Kabul.
Mr King and Mr Weeks were kidnapped by gunmen wearing military uniforms in the heart of Kabul in August, 2016.
Airtel, Voda-Idea report combined loss of ₹73,000 cr
Before this, Tata Motors had posted a loss of Rs 26,961 crore for the December quarter of 2018, the report said. Following the provisions, it said the liabilities/provisions as at September 30, 2019, were ₹34,260 crore.
They later regarded taking a seek haggard in a Taliban hostage video, with the insurgents occurring to affirm that King modified into once in unhappy effectively being.
On Tuesday, Ghani noted that "their health has been deteriorating while in the custody of the terrorists". Trump also pledged to support Afghan troops in their war against the Taliban and maintain USA presence in the country for as long as there was a need for it.
Taliban spokesman Zabiullah Mujahid told VOA he was aware of Ghani's announcement but would "offer our reaction only after we know for sure the (Taliban) prisoners have reached us".
Pakistani Prime Minister Imran Khan during a three-day visit to Washington in July had said that he would do his best to help release the American University professors.
The Taliban refuses to talk directly with the Afghan government in Kabul.
Most consultants agree that there's no such thing as a militia resolution in Afghanistan, and that talks need to restart again sooner or later.
Until then, however, civilians continue to pay a disproportionate price in the long-running and brutal war. The figure represents a 42 per cent increase over the same period a year ago.