Per IMDB News:
“Keanu Reeves and director Francis Lawrence were overcome with fear when supernatural forces disrupted shooting on a vital Constantine scene. The cast and crew had gathered in sound stage 16 at Warner Bros’ Hollywood lot to work on the spooky blockbuster, but were soon desperate to leave the building when paranormal activity started to arise. And it was particularly terrifying for all present – because they were all aware of the spooky forces that had tormented movie-makers working on The Exorcist and Poltergeist.
“Lawrence tells Britain’s Empire magazine, “It was strange. There was this one set that we worked on that got weird. We were on Warner Bros sound stage 16, and we’d built theses two rooms, the physiotherapy and hydrotherapy rooms – they’re a huge part of the ending of the movie. “And one half of it, the physiotherapy side, just got weird. We were there for six weeks in this room, and people were getting sick, or didn’t feel good or got angry. There was just something about that room.”
With evidence like that, can anyone yet doubt the existance of the supernatural?