Different bombs in Afghanistan killed at least three people on Sunday and injured 20, authorities reported.
One of the devices exploded in a street, destroying a police vehicle and killing the driver and a child who was nearby, police spokesman Ferdaws Faramarz reported. Five other civilians, including minors, were injured.
Most of the bombs in Kabul in recent months have been placed with magnetic devices in vehicles and detonated remotely.
The second explosion was in a busy market in Helmand province. It killed a civilian and injured 15 other people, including two policemen, said police spokesman Mohamad Zaman Hamdard.
Neither group immediately claimed responsibility for any of the attacks. The police announced that they had launched an investigation.
The local branch of the Islamic State group has claimed responsibility for some of the attacks, but not all. The authorities blame others on the Taliban, who generally deny the allegations.
Violence has continued to escalate in Afghanistan despite a peace process between the government and the Taliban in Qatar. The process is stalled, and it has been more than a month since the parties have met.
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