Suspect identified in deadly double stabbing that stemmed from neighborhood dispute

Philadelphia police have identified a 19-year-old woman as a suspect in a double stabbing that left one woman dead and another critically injured.

Investigators are urging Tiana Thomas, 19, to turn herself in connection with the incident they believe started as a neighborhood dispute.

The incident occurred around 11:30 p.m. Monday near 29th and Jefferson Streets.

Officers arrived to find a 28-year-old woman suffering from multiple stab wounds. She hospitalized in critical condition.

A second victim, later identified as 23-year-old Shawntae Garrison, was also found suffering from stab wounds and was taken to the hospital. She succumbed to her injuries a short time later.

Tianna Thomas (Philadelphia Police Department)

Police have identified Tianna Thomas, 19, as a suspect and have obtained an arrest warrant for charges including murder, attempted murder, aggravated assault and related offenses.

MORE: Argument over social media leads to deadly double stabbing in Brewerytown, police say

Video of the incident also shows as many as seven other females with Thomas at the time of the stabbing and participating in the assault, according to investigators.

The group approached the victims and several other females that were present and an altercation ensued. That’s when police say a woman they believe to be Thomas can be seen standing over Garrison, stabbing her repeatedly.

Video also showed Thomas’ alleged attack on the second victim.

Philadelphia police have urged Thomas and the seven other females to turn themselves in.

Anyone with information about the incident or whereabouts of any of the suspects is asked to contact police.