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A long line of mourners gathered outside King Soopers grocery store in Boulder, Colorado, on March 23, leaving flowers and banners in memory of the 10 victims who were killed there in a mass shooting the previous day.

Colorado officials identified the victims, one of whom was a police officer who was first to arrive at the scene, according to reports, earlier on Tuesday.

Police also named the suspect as Ahmad Al Aliwi Alissa, who was charged with 10 counts of murder.

In video posted to Twitter by Sam Topp, a car passes a long line of flowers, banners, and other tributes that have built up outside the King Soopers grocery store, as groups of mourners gather there.

The attack in Boulder happened less than a week after another mass shooting in Atlanta, where eight people were killed. President Joe Biden said on Tuesday that policy reform to prevent gun violence should be passed immediately. Credit: Sam Topp via Storyful