Q: In this task, you are given a text of many news articles seperated by special token "|||||". Your task is to summarize them.
MORRISON, Colo. (AP) — Law enforcement officers were searching for a gunman Friday after three people were shot and wounded at the end of a rap concert at the popular Red Rocks outdoor amphitheater in the foothills west of Denver. 
  
 The victims' injuries were not life-threatening, Jefferson County sheriff's spokesman Mark Techmeyer said. Their names were not released. 
  
 No arrests had been made. The shootings did not appear to be random, Techmeyer said. 
  
 Deputies were investigating a report that a man was seen with a rifle, but Techmeyer called that information "pretty sketchy." 
  
 The shootings occurred about 10:30 p.m. Thursday near the end of a performance by Nas, Schoolboy Q and Flying Lotus. 
  
 The injured people were in a white sport-utility vehicle and drove themselves from Red Rocks to a Denver intersection about 15 miles away, but it was not clear why, Techmeyer said. They were eventually stopped by Denver police and taken to a hospital. 
  
 Investigators did not know if more people had been in the SUV before police stopped it, he said. 
  
 Techmeyer didn't know how many people were at the concert, but he said investigators stopped and questioned each car as it was leaving. 
  
 Traffic was chaotic and slow, but "we had a shooter out there," he said. 
  
 Witnesses were being interviewed until the early morning hours Friday. 
  
 The Red Rocks amphitheater and surrounding park are popular with joggers and sightseers. Most of the park had reopened Friday morning, but the area of the shooting remained sealed off. ||||| Police put this man in handcuffs during an investigation into a shooting that occurred at Red Rocks Amphitheater Thursday night, June 19, 2014. Three individuals in a Chevy Suburban stopped by police at 7th Avenue and Kalamath Street were taken to a hospital with gunshot wounds. (Karl Gehring, The Denver Post) 
  
 The Jefferson County Sheriff's Office was investigating a triple shooting late Thursday night that happened following a concert at Red Rocks Amphitheatre. 
  
 Jefferson County Sheriff's Office spokesman Mark Techmeyer said three victims were found at 6th Avenue and Kalamath Street at about 11 p.m. by Denver police. Red Rocks was shut down afterwards, with no one being allowed in or out of the park. 
  
 "We're trying to figure out what happened," Techmeyer said. 
  
 The Sheriff's Office said the three victims were transported to Denver Health, adding that all were alive. Two other passengers were in the car, with the Sheriff's Office saying they were helping with the investigation. 
  
 Police search a parking lot at Red Rocks Amphitheatre after a shooting Thursday night, June 19, 2014. (Glen Ross, Special to The Denver Post) 
  
 No arrests have been made in the shooting, which occured in a parking lot after the concert. The show featured Nas, Schoolboy Q and Flying Lotus. 
  
 Jefferson County Sheriff's officers were searching the cars of all concertgoers. Almost two hours after the conclusion of the concert, there were still many people on the scene. 
  
 "I'm backstage; we're on lockdown waiting to leave," said Faithon Lucas, the promoter of the concert, which, among other causes, was a benefit for GRASP, a gang-rescue and support project sponsored by the Metro Denver Partners. 
  
 After the shooting, the victims apparently drove a vehicle into Denver. The vehicle, a white SUV, stopped at 6th Avenue and Kalamath Street, where Denver Police was called to the scene. 
  
 Advertisement 
  
 According to police officials, Denver Police has jurisdiction during concerts at Red Rocks unless a felony offense is involved, in which case it comes under the auspices of the Jefferson County Sheriff's Office. 
  
 Besides the Jefferson County Sheriff's Office and Denver Police, the Lakewood and Morrison Police Departments and the Colorado State Patrol were involved in the investigation. 
  
 The Red Rocks Visitors Center and amphitheatre were reopened Friday morning and the Skrillex show is scheduled to go on as planned Friday night, Red Rocks said on its Twitter account. The Trading Post and south parking lots remain closed while deputies investigate. 
  
 The office asks for anyone with information on the shooting to call its tip line at 303-271-5612. |||||
A:
Three people were shot in the parking lot of Colorado's Red Rocks Amphitheatre last night after a concert featuring Nas, Schoolboy Q, and Flying Lotus, authorities say. The victims, all of whom survived, were found in nearby Denver, where they apparently drove after the shooting, the Denver Post reports; it's unclear why they did so. Two other passengers were in the SUV, and are cooperating with the investigation. Red Rocks was put on lockdown after the shooting; concertgoers' cars were searched; and as of this reporting, no suspects had yet been arrested. The concert was, in part, a benefit for a local gang-rescue and support project. The shootings did not appear random, an official tells the AP.