After further threats they let them go. They could not find a way to punish them, because all the people were glorifying God for what had happened.
KJV
So when they had further threatened them, they let them go, finding nothing how they might punish them, because of the people: for all [men] glorified God for that which was done.
ASV
And they, when they had further threatened them, let them go, finding nothing how they might punish them, because of the people; for all men glorified God for that which was done.