This story has been updated to include shootings in Arizona, South Carolina, Georgia, Texas and Virginia. We will continue to update this story as new information develops.

Mass shootings took place in at least eight cities in the United States over the weekend.

What happened in the Philadelphia shooting?

Three people have died and at least 12 others were injured in a shooting that happened shortly before midnight on Saturday night on Philadelphia’s South Street, per ABC6 Philadelphia.

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Officers witnessed multiple shooters firing into the crowd, and one officer fired at a shooter, who dropped his weapon and fled, ABC6 Philadelphia reported.

South Street hosts multiple restaurants and bars and is known for being an active “corridor of entertainment,” Philadelphia Police inspector D.F. Pace told CNN.

“There were hundreds of individuals just enjoying South Street, as they do every single weekend, when this shooting broke out,” Pace told CNN.

Police told ABC6 Philadelphia that “the victims who were killed include a 26-year-old woman, a 22-year-old man and a 34-year-old man.”

What happened in the Chattanooga, Tennessee, shooting?

Three people died and 17 were injured in a shooting that happened early Sunday morning, according to WJBF NewsChannel 6, an affiliate of ABC.

Chattanooga police told WJBF NewsChannel 6 that 14 people were shot about 3 a.m., and “three victims attempting to flee the scene were struck by vehicles.”

The first two victims were killed in the shooting, and the third victim died after being struck by a car, Chattanooga Police Chief Celeste Murphy told ABC News.

Police suspect multiple shooters were involved and that it was an isolated incident.

It was the second shooting in Chattanooga in the last week. Six teenagers were shot in downtown Chattanooga last weekend, per ABC News.

What happened in the Phoenix, Arizona, shooting?

One person died and eight others were injured Saturday morning in a shooting at a strip mall in Phoenix, Arizona, The Associated Press reported.

Police said a fight broke out among multiple groups of people, escalating to a “series of shootings,” according to Fox 10.

The victim who died was a 14-year-old girl.

What happened in the Mesa, Arizona, shooting?

On Sunday, two people were killed and two others were injured in a shooting outside a bar in Mesa, Arizona, the Arizona Republic reported.

The police have detained three people seen in a vehicle leaving the scene, but the investigation is still pending, per The Associated Press.

What happened in the Clarendon County, South Carolina, shooting?

One person was killed and seven others were injured at a graduation party Saturday night in Clarendon County, South Carolina, per CNN.

Roughly 150 people were gathered for a graduation party around 11 p.m. when “at least 60-70 rounds” were fired after two cars approached the party, the Clarendon County Sheriff’s office said in a release, according to CNN.

A 32-year-old woman was killed, and six of the injured victims were children, according to The State Media Company.

“This is a senseless act and we will not tolerate it,” Sheriff Tim Baxley told The State.

What happened in the Socorro, Texas, shooting?

Five teenagers were shot and injured on Saturday at an overnight high school graduation party, per WFAA8 ABC.

About 100 people were at the party. The shooting took place around 1 a.m., after a fight took place between two groups, per WFAA8 ABC.

The teens who were shot ranged in ages from 16 to 18, according to The Washington Post.

What happened in the Macon, Georgia, shooting?

One person died and three others were injured during a shooting at an abandoned house in East Macon, Georgia, per The Macon Telegraph.

The shooting took place around 7 p.m. on Saturday. The victim who died was a 19-year-old man who died at the hospital, according to 13WMAZ News.

Macon police are seeking more information about the shooting.

What happened in the Chesterfield, Virginia, shooting?

One person was killed and seven others were injured during a shooting at a high school graduation party in Chesterfield, Virginia, on Saturday, per ABC News.

According to Chesterfield County Police, two separate fights broke out among attendees at the party.

A 20-year-old man died at the scene, per NBC12 News.

Investigation of the shooting found that more than 50 shots were fired, according to NBC12 News.

How many mass shootings have happened this year?

According to the Gun Violence Archive, there have been 239 mass shootings so far this year.

A mass shooting is defined as a shooting in which at least four people are shot, excluding the shooter, per the Gun Violence Archive.

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