Nightmare Apostle

“A malicious incident has occurred at our city hospital, a patient has taken medical staff hostage, and is now in a standoff with the police...” Yang Xiao turned off the TV, and the next second, a call came through, “Son, release the doctor now. There are police all around; you can't escape!” As if to prove the woman's words, the police sirens outside grew louder one after another, and there was also movement in the hallway. “It's fake, all fake. This is the Nightmare World. Otherwise, why would your call still come through after I cut the phone line?” Yang Xiao glared at the fallen phone line, his face twisted ferociously. — Description from novelcodex.org