Four persons, including three women, were killed on the spot and six others injured when lightning struck them at Chirumalla village in Pinapaka mandal on Tuesday evening.

According to the police sources, lighting struck a hut adjoining a tree killing four farm labourers, who were taking shelter inside it, during an unexpected downpour on the outskirts of the village.

Six other farm labourers sustained burn injuries after being hit by lightning while standing under the tree behind the hut, sources added.