PHILADELPHIA (CBS) — A baby girl has died less than a week after a serious crash that killed two others, including a young boy, and left six more people injured in East Falls.

Seven-week-old Zyana Wilson-Perez was pronounced dead at St. Christopher’s Hospital on Thursday, authorities confirmed Sunday.

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The infant had suffered severe head and abdominal injuries in the May 1 accident along Henry Avenue at Hermit Lane.

Police say a Mazda 6 with three adults and four kids inside was travelling north around a curve when it spun into the other lane. A car driving south, with two adults inside, had no time to swerve out of the way, resulting in a t-bone crash.

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Police say the two adults in the front seat of the first car were ejected. Six-year-old Eric Barksdale Perez suffered head injuries when he was partially ejected from the vehicle. He later died at the hospital.

Twenty-year-old Ziare Ross-Wilson was also pronounced dead at the hospital.

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Police said they did not believe alcohol played a role in the crash, but they said weather was a factor.