The Taliban dug a tunnel into the base in volatile Sangin district and then blew it up before their fighters could attack the compound, Nawab Zadran a spokesman for 215 Maiwand Army Corps in southern Afghanistan told the media.
Shortly after the bomber detonated the car laden with explosives, a group of insurgents stormed into the compound, setting of a shootout with Afghan forces.
The insurgents staged the ambush in the district of Bala Buluk in Farah province on Tuesday. The Taliban forced the six-vehicle convoy to a halt, then got into the cars and drove them and the activists to an unknown location, said the provincial police spokesman Mohibullah Mohib.
The agreement, inked on Friday between the Taliban and Afghan and US forces, prepares the ground for the two sides to sign a peace deal next week aimed at ending 18 years of war in Afghanistan and bringing American soldiers home.
The robo waitress glides up to a table of curious diners in central Kabul and presents them with a plate of French fries.
Though manufactured in Japan and serving American-style fast food such as cola and burgers, Time Restaurant's team designed the robot with locals in mind.
President Donald Trump urged the Afghan people to embrace the chance for a new future, saying the deal held out the possibility of ending the 18-year conflict.
His remarks come against the backdrop of the difficulties US negotiators face in shepherding the Afghan government and Taliban towards intra-Afghan negotiations, according to Western diplomats.