"In Jesus Christ's name, I command the sickness, the pain, the spirit of sickness that is oppressing these men, these women, to get out," he said.
"The cancer, the tumour in the lung, that problem in the back, the severe pain and everything that causes that pain, in Jesus Christ's name I command you, get out of this person's life now. In Jesus' name be free."
It was Mr Dean's story that grabbed everyone's attention.
"I was touching my eyes and I could feel something like relief coming off me," he told the bishop. "As you said, 'Amen', I looked up. I could see the lights."
Speaking after the service, Mr Dean said it was his first time at one of the events. He had previously not been a man of faith and did not belong to any church, but his experience had made him want to attend every Sunday.
Read the Herald's original story here.