Policemen desert rivers station after colleague killed soldier

It appears that you are referring to a news article or a situation where policemen from a rivers station deserted their post after one of their colleagues was killed in an incident involving a soldier.

Here's a possible summary of the situation:

"A group of policemen from a rivers station in [location] deserted their post after one of their colleagues was killed in an altercation with a soldier. The incident occurred on [date] when the policemen were on patrol duty in the area. According to eyewitnesses, the policemen were involved in a confrontation with a soldier who was on duty in the area. The confrontation escalated, and one of the policemen was fatally shot. The other policemen present at the scene fled the area, leaving behind their colleague's body. The incident has sparked outrage and concern among the local community, with many calling for an investigation into the circumstances surrounding the killing. The police department has launched an investigation into the incident and has promised to take appropriate action against those responsible."