(LHC "end of the world" prediction)

Scientists are researching how to warp and alter time to help
change the outcome of a war. Near the end of a war, after the
second failure, the research complex is destroyed in a large
catastrophe. Because they are dealing with powers they don't
know how to control it rips them apart. People not there assume they were hit by a missile of some sort because of the
destruction.

But what really happened was that the vortexes of energy they
were trying to deal with were not fine tuned enough to work with and they got out of control. It appears to involve England and Northern Europe. It's in our future but the groundwork has been laid already by scientists working on secret projects in this direction. Something may come of it in our lifetimes but the government will keep it under wraps.
The catastrophe will be very localized and will have some
strange side-effects in the dimension of time in the general area there. The government was counting on it to give it an edge in the war and loses it and will end up affecting the outcome of the war.

Certainly fits the current climate... A very deceptive weapon. Remember that the LHC is not the ultimate WMD... Satan himself is author of destruction.