Ryan Pieratt gets caught in the crossfire during a massive water gun fight hosted by Dallas Flash Mob on Saturday, September 5, 2015 at Klyde Warren Park in Dallas.

Ryan Pieratt gets caught in the crossfire during a massive water gun fight hosted by Dallas Flash Mob on Saturday, September 5, 2015 at Klyde Warren Park in Dallas.

Ashley Landis/Staff Photographer

If you've got a lot of open, grassy space and you're under the Texas heat, why wouldn't you try to start a massive water gun war? That's exactly what Dallas Flash Mob did in Klyde Warren Park on Sept. 5, which you can see in the video and gallery below.

Check out the gallery below for more photos from the water war.

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