Regarding the broken Micra boot?

How can I open the hatch? I've tried lots of options with no joy - my Fathers car (04, 1.2S, 2 door) does NOT HAVE the release lever inside the boot (great fun getting there also ;-)) Any suggestions to force a way in/open the hatch? Do they have special screws on the bottom edge? Have taken all bits apart that I can, but still no release - any ideas (other than brute force) will be appreciated folks. Cheers :-)