The explosives had been loaded onto a small truck that was parked outside the compound in Lashkar Gah, Helmand’s capital, said Farid Ahmad Obaidi, a spokesman for Helmand’s police chief.
It was the second major attack in the Lashkar Gah area this month after seven people were killed and more than 20 wounded in a suicide bombing at a checkpoint on March 10.
Afghan security forces launched Operation Zulfiqar in mid-February to clear the province of Taliban fighters, just weeks ahead of the first fighting season that Afghan forces will face alone after most foreign troops withdrew in December.
On Sunday, the government said Afghan forces killed 10 insurgents in Helmand who had claimed to be fighting with the Islamic State (IS), including one militant who officials said was the de-facto leader of the IS group in the province. -Reuters