To prove he was at work, he sent her a Snapchat image of a corridor near the children's ward.
But the 21-year-old says he had no idea the picture that actually appeared on his phone showed a terrifying ghostly looking figure.
"Unbeknown at the time it appears that I captured a ghost figure in the corridors.
"I have since put this picture on Facebook, it has received thousands of likes and comments and has been shared as far as America.
"It has also been shared on to paranormal investigator groups, many of which believe the picture is real."
To make matters even more spooky – Andrew said a number of his colleagues at have heard footsteps at the exact spot where the ghost can be seen.
He said: "There have been a few odd things.
Read Full Story: Daily Star UK