i have broken the nut?

i have been having a loose pedal for ages i have tightened it up and the nut has broke in half can i get the nut out .not the pedal bit the part where it joins the bike is it the crank hope you can help
jane walker, August 2005


done
Will need to drill out old bolt being carefull not to damage inside threads .....some are tighten clockwise an some are counter clockwise ....good luck

bg, December 2005