Does anyone have a good article with more details?

Plenty of BBC coverage.

It sure seems from the circumstances that if it were just a coincidence, that would be a pretty incredible one.

One thing none of these analysts have said is that there's a difference between saying the attack was unrelated to her identity and saying it was unrelated to her politics -- it sounds like the attacker could hardly have not recognised her, but he might still have been just trying to kill "someone famous" (a la John Lennon) and not been making a specifically political or Euro-related point.

Peter