A security force member was killed and three others were injured in a roadside bomb blast in Paghman district of Kabul on Sunday morning, police said.
The blast happened at around 8:40 am local time when an army vehicle was targeted, said police but did not provide further details about the incident.
No group has claimed responsibility for the blast.
Meanwhile, Afghan news outlet says that at least 307 people were killed, and 350 others were wounded in violence in March.
According to the data, there has been a 20 percent increase in violent attacks in the country in March compared to February.
In February, 264 people were killed and 278 injured in violence.