A DeLand man stabbed his nephew four times with a 6-inch fillet knife for taking too long in the bathroom and claimed the younger man also made him feel disrespected, police said.

Dan Johnson, 72, was arrested and charged with aggravated battery with a deadly weapon. He was being held without bail at the Volusia County Branch Jail on Wednesday.

According to investigators, the victim, Michael Johnson, 29, called 9-1-1 at 7:34 p.m. Tuesday to report that he had been stabbed and that the suspect, whom he identified as his uncle, was still in the house.

"Hello, I need EVAC. I've been stabbed three or four times," said Michael Johnson, breathing heavily in apparent pain. "Please hurry up."

Michael Johnson and Dan Johnson lived at 503 East Beresford Ave, a home owned by Michael Johnson's father, Willie Johnson, police said.

Dan Johnson is Willie Johnson's brother, a report shows.

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When Volusia deputies and DeLand officers arrived at the home, they found Michael Johnson with stab wounds to his abdomen and lower back, said city of DeLand spokesman Chris Graham.

The nephew was airlifted to Halifax Health Medical Center and is expected to survive, Graham said.

[READ MORE: Police: Man stabbed multiple times at DeLand home, airlifted to hospital]

Investigators said Michael Johnson lived in his vehicle in his father's driveway and that his father allowed him to use the bathroom. On Tuesday, he was about to get in the shower when his uncle came banging on the door, a report states.

The nephew said his uncle started yelling at him, saying, "You need to come out of the bathroom," and "You've been in there too long," a report said.

Michael Johnson said he told his uncle, "I just got here," and his uncle continued to bang on the door. The younger Johnson said he wrapped himself in a towel, opened the door and his uncle started punching him. The nephew said he then realized his uncle, who had a knife in his hand, had stabbed him, a report detailed.

Michael Johnson had three stab wounds to the chest and abdomen and one to the lower back, investigators documented in their report.

Dan Johnson told investigators he had finished working in the yard, had a beer and was ready to take a shower but found the bathroom occupied. He left, returned 15 minutes later, and found the facility still occupied. So, he knocked on the door. He said his nephew opened the door and "buffed up" at him, investigators said.

A report states that although Michael Johnson didn't take a fighting stance, make verbal threats or otherwise threaten to attack, Dan Johnson went to his room and, from his collection of knives, chose a narrow-bladed butcher or fillet knife and walked back to meet his nephew.

Dan Johnson said his nephew took a step toward him so he stabbed him in the stomach twice, police said.

Police recovered the knife believed to have been used, which Dan Johnson said he put back in his collection after the stabbing, said DeLand police Lt. Juan Millan.

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