Woman slashed on Bx21 bus in Morrisania

Police are searching for the person behind an MTA bus slashing in Morrisania. 
Authorities say a 27-year-old woman was slashed in the face while on a Bx21 bus. 
It happened at 3rd Avenue and East 163rd Street at around 5 p.m. Wednesday. 
The victim was taken to Lincoln Hospital in stable condition.