John Gill Commentary 2 Chronicles 23:7

"And the Levites shall compass the king round about, every man with his weapons in his hand; and whosoever cometh into the house, let him be slain: and be ye with the king when he cometh in, and when he goeth out." — 2 Chronicles 23:7 (ASV)

(See Gill on 2 Chronicles 23:1).