Police: Panic erupts on MTA bus when man says he may have firearm

Police say panic erupted inside an MTA bus Saturday night after a man boarded and said he may have a firearm.
They say no one actually saw the firearm, but that didn't stop passengers from exiting the bus in a panic.
Police say one woman injured her knee and head as people ran to the front of the bus.
They say no arrests have been made.
Anyone with information is asked to call Crime Stoppers at 1-800-577-TIPS.