Began to fall upon them and began to slay them

1. Mosiah 20: 9
     9 And it came to pass that when the Lamanites had come up, that the people of Limhi began to fall upon them from their waiting places, and began to slay them.
2. Alma 24: 21
     21 Now when the people saw that they were coming against them they went out to meet them, and prostrated themselves before them to the earth, and began to call on the name of the Lord; and thus they were in this attitude when the Lamanites began to fall upon them, and began to slay them with the sword.
3. Alma 43: 41
     41 And it came to pass that Moroni and his army met the Lamanites in the valley, on the other side of the river Sidon, and began to fall upon them and to slay them.