E break locked up HELP?

The emergency break didnt work to begin with but my sister got out the driver seat and accidently pushed the break down.. How she did it I still cant figure out because we could never get it to go down but she stepped on it and it went down now when I drive it lol it wont drive the tires just skid like its on ice but my question is how do I release the emergency break the handle its self is not working

Help me please:uhoh:
Its a 95 v6