A policeman was killed and three others were wounded in a roadside mine blast in central Logar province on Sunday, local officials said.
The blast took place in Azra district of the province after a police vehicle hit a roadside mine, a spokesman for the provincial governor, Saleem Saleh said.
The wounded were taken to a nearby hospital for treatment, he said.
However, he did not provide further details about the blast.
No group including the Taliban has claimed responsibility for the blast yet.