Had this experience last night. We had a fatal crash near us. One friend kept going on and on about how she was driving down that road 10 minutes before and could have been hit.
It really really annoyed me. You didn't see anything, you don't know anyone who was hurt or killed, it is nothing to do with you.
Or another friend who heard the police breaking into a house to arrest suspected terrorists. She kept on going on and on about how close they were to it. The arrest happened about 0.3 miles away from her, she doesn't know anyone who was arrested, or even anyone who lives on the same street.
Just really annoys me.