Related Rule
Practice Relating to Rule 23. Location of Military Objectives outside Densely Populated Areas
In 2007, in the Constitutional Case No. C-291/07, the Plenary Chamber of Colombia’s Constitutional Court stated:
The precautionary principle is the cornerstone of a number of specific rules which are considered to have attained customary status and to be applicable in internal armed conflicts … Among these rules is … the obligation to avoid, to the extent feasible, locating military objectives within or near densely populated areas. 
Colombia, Constitutional Court, Constitutional Case No. C-291/07, Judgment of 25 April 2007, pp. 99–100.
[footnote in original omitted]
The Report on the Practice of Colombia states that if the location of police units may generate danger for the civilian population, their redeployment is considered advisable. 
Report on the Practice of Colombia, 1998, Chapter 1.7.