A mass shooting sent six people to the hospital in Chicago's Humboldt Park community early Sunday morning.

Nine people were critically injured in a shooting in downtown Tucson early Sunday morning, police say. Police say an officer shot and wounded a suspect, who was taken into custody.

At least 14 people were killed and scores of others injured in more than a dozen mass shootings across the country over a four-day span as people were gathering to celebrate the Fourth of July. It has been one year since 19 students and two teachers were killed in a mass shooting at Robb Elementary School in Uvalde,

One man was killed and four others were hurt in the second mass shooting in Minneapolis in less than 24 hours, police said.

Some gun violence experts are skeptical. But the research raises questions of whether there’s a cause-and-effect relationship and if so, what’s behind it.

Five people were killed in a “targeted mass shooting” against a family in southwestern Illinois, police said. Two more people were wounded, and two teenagers, ages 15 and 16, were in custody, police said.

A mass shooting took place at the Seattle Center, with multiple gunshot victims reported Sunday evening, authorities said. The Seattle Police Department made the announcement

An adult was shot in Minneapolis on Monday night near the area of a mass shooting that killed a man and injured four others the night earlier, according to City Council member Jamal Osman.