A man pays his respects at a makeshift memorial for the three children killed after the carjacking and hit-and-run in north Philadelphia. (Matt Rourke/AP)

The woman injured in a hit-and-run in Philadelphia nearly two weeks ago — an accident that killed her three children — has died from her injuries, officials said.

Keisha Williams and her children were among the crowd of people struck by an SUV that had been carjacked in northern Philadelphia on July 25. A woman was driving a Toyota 4Runner not far from the campus of Temple University when two men carjacked and sexually assaulted her.

A short time later, the two men drove to an intersection not far away and hit a group of pedestrians before fleeing on foot, police said.

The three children — Keiearra, 15; Thomas Joseph; 10; and Terrence, 7 — died that day. Williams was taken to the hospital in “extremely critical condition,” police said on the day of the crash.

She died on Thursday, according to the office of Philadelphia District Attorney Seth Williams.

“My heart continues to break for the family and friends of Keisha, Keiearra, Joseph, and Terrance,” Seth Williams said in a statement Friday. “I hope the knowledge that I am prosecuting these defendants to the fullest extent of the law will give the family some sense of justice during this time of unimaginable grief.”

Jonathan Rosa, 19, and Cornelius Crawford, 24, were arrested and charged with a host of offenses related to the carjacking, including murder, sexual assault and kidnapping. Seth Williams’s office said another murder charge would be added due to Keisha Williams’s death.

Keisha Williams, her children and a family friend were at the intersection selling fruit so they could raise money to build a playground.