The vehicle carrying border police officers struck the explosive device in Achin district in eastern Nangarhar province, an Afghan official says.
Abu Saad Erhabi was the fourth Daesh leader in Afghanistan to be killed since July 2017.
The four reportedly quit over differences with the government on how to handle the deteriorating security situation that has seen attacks from Daesh and the Taliban escalate.
Gunmen killed 15 in a hostage-taking situation in Jalalabad while a roadside bomb in the western province of Farah hit a passenger bus and killed at least 11 people.
At least ten were killed and as many wounded after gunmen stormed a government compound in restive Jalalabad city. Meanwhile, Britain is expected to announce sending 440 extra troops to Afghanistan, in a NATO summit.
At least nine people were killed and eight more wounded during an apparently botched operation by Afghanistan's special forces in the province of Nangarhar, amid rising civilian deaths.
The three explosions at the ground in the eastern city of Jalalabad also injured at least 57. Less than a week ago, a group of attackers stormed a government building in the same city, killing 15 and injuring 42.
The two near-simultaneous attacks in western Badghis province came just a day after a suicide attack on a Kabul voter registration centre that killed over 50 people.
Local authorities say the bomb went off as tribal elders gathered in a Jalalabad hotel, Nangarhar province, to discuss village problems. Both the Taliban and Afghanistan's Daesh affiliate are active in Nangarhar.
No one has claimed responsibility for the blast which took place outside of a football stadium in Jalalabad city, capital of eastern Afghanistan's Nangarhar province.
Nayyar Iqbal was an assistant to the consul general in Jalalabad, the capital of the restive Nangarhar province, which borders Pakistan.
According to Afghan officials 11 civilians, including women and children, were killed in Haska Mina district of Nangarhar province by a US air strike.
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