CHICAGO (AP) — Chicago’s expected jump in gun violence over the long July 4 weekend left six people dead and another 66 wounded.

The police had expected the surge in gun violence and flooded the streets with an additional 1,500 officers and the totals were far lower than during the last four-day Fourth of July weekend in 2017 ended with more than 100 people shot — 15 of them fatally.

The Chicago Tribune reports that that at least 31 people were shot over an 18-hour period noon on July 4 and dawn the next day.

The weekend also saw a stampede of after two people were stabbed at the Navy Pier fireworks display. Police say approximately 13 people in the crowd were injured as they tried to flee the scene.