Undercover police teams from two Detroit precincts ended up fighting each-other instead of crime during a drug operation gone wrong.
Dozens of officers were involved in a mass brawl that saw punches thrown, weapons drawn and one cop sent to the hospital, Fox 2 Detroit reports.
Senior officers have now opened an investigation into the incident which is alleged to have happened on Thursday last week on the city's troubled east side.
Undercover officers were conducting a drug sting on Andover, a street in the notoriously drug-ridden east side of Detroit when they were approached by some more undercover cops
The encounter started when two special operations officers from the department's 12th Precinct were working on a drug bust on Andover, a notoriously drug-heavy area of the city.
The officers were pretending to be dealing narcotics in hopes that eager customers would approach before being arrested and having their vehicles seized.
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