Baltimore City prosecutors on Wednesday dropped assault charges filed by one of nine teens accused in the high-profile beating of a woman on a Baltimore City bus.

Nakita McDaniels, 15, on Friday filed second-degree assault charges against Sarah Kreager, 26 ­? the woman bruised and beaten Dec. 4 on a Maryland Transit Administration bus ­? alleging Kreager spit on her and punched her seven times while Kreager?s boyfriend, Troy Ennis, 30, yelled racial slurs and threatened to stab the students.