The blast, according to the officer, took place on Thursday afternoon when some members of the ill-fated family were working in their field in Nawialaqini village and suddenly a device exploded, killing the five people on the spot and injuring two others, according to Xinhua.
Without providing more details, the officer said that an investigation had been initiated into the deadly incident.
According to Tolo News, the explosion occurred at the entrance to Farah province. Eyewitnesses say news of a person riding a motorbike came to light during the explosion at Dehak Gate of this province.
Another six people were also killed in this bomb attack in Balkh province. The bomb was placed inside a wheelbarrow on the side of the road. The blast happened as a busload of workers from the Hiraton Oil and Gas Department passed by on Tuesday morning.
War-torn Afghanistan has been regarded as the most mine-contaminated country as countless mines, explosive devices left by terroris groups and unexploded ordnances have been left over from the past four decades of war, which often claim the lives of people mostly children.