Fred and Lormax, if it works for you guys, could you post the pics and the fix here for when/if this happens to the rest of us. TXS
It looks like he tried to pry the gas door open when it was still latched shut.
I haven't been able to confirm this as I've only looked through his photos, edited them a bit to show where I see the damage and gave him some pictures from an intact car for reference. From what I gathered on his first post, the battery was still dead when he tried to pry it open, so it took some force and some of the pieces were broken in the process.
The problem wasn't anything to do with the gas door, it was the battery being too low and not able to operate the electronic release mechanism. Again, still need to confirm that this is in fact what happened.
One piece of advice I can give though. The plunger in the gas door actuator can get a bit 'sticky' over time, which can be fixed easily. Open the gas door fully (the gas cap can stay on). Take a small tool and depress the plunger in the actuator completely. Spray a small amount of lubricant onto the plunger (a spray silicone would be best. WD-40 will evaporate). You'll immediately see the results, the plunger slides much more freely.