See what looks strange to me is you were the only one logged into your account. I did a trace and no one else had logged in. You started deleting your own city at
Sun, 26 Aug 12 19:02:29 construction_remove
all the way up to
Sun, 26 Aug 12 19:06:32 construction_remove
then within 2 minutes you started construction on your buildings again.
Sun, 26 Aug 12 19:08:24 construction_add
What it looks like to me mate was you deleted your own buildings out of frustration of the competition being over then decided to try and rebuild then accuse us of misdeeds. If you have a problem then pm me. Dont try something then accuse staff falsely so you figure you can try to get some diamonds out of us.