NATO's defence ministers will meet on Wednesday and Thursday to discuss a range of issues, but forces in Afghanistan will top the agenda.
Air France expressed its "deepest sympathy and compassion at this human tragedy."
Trump met Afghan President Ashraf Ghani and addressed U.S. troops, telling them that America was “substantially” reducing its military presence in the country.
After decades of conflict and instability, around 2.5 million Afghans have sought asylum overseas, many of them in Europe. But the war torn country is also a destination for refugees fleeing neighbouring states, including Pakistan and Iran.
Afghanistan's presidential election turnout is unofficially estimated at 20 percent amid fears the Taliban kept many away from polling stations.
US President Donald Trump tweeted that he was calling off talks with Afghanistan on Saturday night.
"Unbeknownst to almost everyone, the major Taliban leaders ... were going to secretly meet with me at Camp David on Sunday," Trump tweeted.
The explosion came as a senior U.S. diplomat was visiting Kabul to brief Afghan President Ashraf Ghani on a draft peace accord reached with the insurgents that could see thousands of U.S. troops withdrawn from Afghanistan.
The 2010 winner, South African Jodi Bieber, acknowledges that the photojournalism industry is male-dominated.
In the first half of the year, foreign and government forces killed 717 civilians, while anti-government elements (including Taliban) caused 531 deaths, the UN said.
A Taliban attack on a government security compound in central Afghanistan on Sunday killed at least eight security personnel, six civilians and wounded more than 180, officials said, as rival Afghan groups met in Qatar to discuss peace.
ABC says the operation was in relation to its 2017 reports about alleged misconduct by Australian troops in Afghanistan
Afghans have taken to social media to condemn the fatal shooting of a former television journalist and parliamentary advisor.
At least 20 people were killed by flash floods in southern Afghanistan's Kandahar province, the UN said Saturday, as heavy rains swept away homes and vehicles.