I notice you're asking about a "Karmouz War 2018." After checking my knowledge base, there is no widely recognized or historically documented event by that name in 2018.
It's possible you may be referring to one of the following:
Suddenly, everyone was a veteran of the "Karmouz War." It provided a comedic vocabulary for resilience. When someone faced a difficult challenge, they would jokingly reference the "Karmouz front." karmouz war 2018
Karmouz War (2018): Egypt’s Record-Breaking Action Spectacle
Letterboxd: See how it fits into Peter Mimi's filmography alongside hits like Casablanca (2019). Karmouz War (2018) — The Movie Database (TMDB) I notice you're asking about a "Karmouz War 2018
The investigation that followed was the most intensive manhunt in Alexandria since the 1950s. The Interior Ministry released composite sketches of eight suspects. Roadblocks were erected at every exit from Alexandria. The security forces began a house-to-house search in Karmouz, detaining over 500 residents for questioning in what human rights groups called "collective punishment."
At its heart, Karmouz War attempts a genre that Egyptian cinema rarely tackles: the large-scale historical war epic. The film is set in 1948, during the Arab-Israeli War, a period often revisited in Arab media but seldom with this level of production gloss. Karmouz War (2018) — The Movie Database (TMDB)
To the outside world, this might look like a standard police operation. However, the optics of the situation—the heavy militarization of a residential neighborhood over a personal dispute—struck a chord with the public. It highlighted the perceived disparity between how the law protects its own versus how it treats the average citizen.