Oakland Mayor Libby Schaaf is responding to a deadly, double stabbing that took place Sunday night at MacArthur BART Station.

18-year-old Nia Wilson was killed in the attack. Her sister, 26-year-old Lahtifa Wilson, is in the hospital battling injuries.

The GoFundMe identifies the other victim as Wilson’s sister. She is in the hospital in unknown condition.

With the suspect still at large, Schaaf wrote “Every parent who saw the father of Nia Wilson grieve for his daughter is heartbroken by this horrific act.”

She went on to say that Oakland Police are assisting BART in “identifying and apprehending the person or people responsible for this attack.”

Here is her full statement: 

“The senseless and violent stabbing of two young women on a BART train platform last night has shaken our community. Every parent who saw the father of Nia Wilson grieve for his daughter is heartbroken by this horrific act.

BART is the lead agency that will conduct this investigation. OPD has been in constant contact with BART Police, is already providing support on this investigation, and has considerable resources available to further assist in identifying and apprehending the person or people responsible for this attack.

At this time, we know of no known motive for this crime. We all mourn in this moment and we will all work together to bring justice for Nia, her sister and their family. Please follow @SFBART on twitter for further updates.”

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