Philadelphia police said the woman who stabbed the 42-year-old nurse was attempting to stab her sick father.
The 55-year-old father suffered a wound to the head from a soda can during the 7:20 p.m. attack Aug. 4. The nurse and father were stabilized.
The daughter who attacked was arrested and a weapon was seized, police said.
Police have yet to release the identity of the three individuals.
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