Teen marks 4th arrest made in deadly mass shooting in the Grays Ferry section of Philadelphia that left 3 dead, 9 others hurt
A 17-year-old has been arrested in connection with a July mass shooting in Philadelphia's Gray's Ferry Section.
Philadelphia police said SWAT and homicide detectives conducted a search warrant on a home in the 1500 block of South 25th Street on Friday morning, where Brandon Fischer was taken into custody.
The teen is the fourth person to be arrested in connection with the deadly shooting that happened on July 7 in the 1500 block of South Etting Street, which left three people dead and nine others hurt.
Jihad Gray, 35 ; Daquan Brown, 21; and Terrell Frazier, 22, have also been arrested in connection with the shooting. All three have been charged with murder, attempted murder, and multiple other offenses.
Fischer is also being charged with murder, attempted murder and violations of the Uniform Firearms Act (VUFA), as well as multiple related offenses in connection with the incident.
Shocking video from the shooting shows multiple people pulling out guns and opening fire.
ALSO SEE: Video shows multiple people opening fire in Grays Ferry mass shooting that left 3 people dead
Police say the shooting was a result of "contagious gunfire."
Police have previously said that they believe there were at least a dozen shooters after finding 13 separate guns and 140 pieces of ballistic evidence at the scene.
Officials said that there was no argument or opposing party at the events. They believe there was one individual among the group who fired a gun, possibly into the air, which caused at least a dozen other people with firearms to begin firing their guns.
The shooting occurred during a gathering of roughly 100 to 200 people, police said.
The victims who were killed have been identified as 23-year-old Zahir Wylie, 19-year-old Jason Reese, and 24-year-old Azir Harris.
Among the victims who were injured are a 15-year-old girl and two 17-year-old boys.
Police said the investigation remains active and ongoing.
Anyone with information on any of the shootings can call or text Philadelphia police at 215-686-TIPS (8477) or submit an anonymous tip online .
