Exodus 14:20

14:20 It came between the Egyptian camp and the Israelite camp; it was a dark cloud and it lit up the night so that one camp did not come near the other the whole night.

Exodus 32:19

32:19 When he approached the camp and saw the calf and the dancing, Moses became extremely angry. He threw the tablets from his hands and broke them to pieces at the bottom of the mountain.