Subway stabber was defending herself when she killed straphanger in wild fight, lawyer claims

A woman charged with manslaughter for stabbing a straphanger to death as they brawled inside a Brooklyn subway station was acting in self-defense, her lawyer claimed Wednesday.

Mia Simmons, 20, got into a fight with victim Latanya Watson on a Manhattan-bound No. 3 train about 9:45 p.m. Monday.