A New Jersey imam spoke against violence and in support of law enforcement during the first Friday prayer service since a local man was charged in the New Jersey and New York City bombings.

Imam Syed Fakhruddin Alvi urged the more than 100 men gathered at the Muslim Community Center of Union County to be vigilant in leading their families and children away from evil.

Mosque leaders called suspect Ahmad Khan Rahami, an Afghanistan-born U.S. citizen whose father is an active member of the mosque, misguided and said people who follow extremist teachings are criminals.

"Nobody has any right to kill any non-Muslim," the imam said. "If anyone kills a non-Muslim citizen, paradise will be done for him."

Mosque members said Rahami's father frequently prays there, including this week after Rahami was injured by police in a shootout in Linden hours after he was named the suspect.

Rahami has been unconscious and intubated for much of the time since undergoing surgery, U.S. Attorney Paul Fishman said in a court filing. He will first face federal charges in New York when he is out of the hospital.

Mohammad Rahami, the suspect's father, said his son was a changed person after visiting Afghanistan and Pakistan in 2013. Speaking to The Associated Press early Friday by telephone, he said he told the FBI in 2014 about his son's apparent radicalization after household tensions led to a fight in which another of his sons was stabbed.

"I found a change in his personality. His mind was not the same. He had become bad, and I don't know what caused it, but I informed the FBI about it," said Mohammed Rahami, speaking in Urdu.

A senior FBI official pushed back against Mohammad Rahami's claim to have warned agents about his son.

FBI agents interviewed the father in 2014 after Ahmad Rahami's arrest on charges — later dropped — that he stabbed one of his brothers in the leg. The FBI initiated contact because the father had expressed concern to someone following that episode over his son's internet use and some of his associates.

But in his interviews with agents, Rahami "at no time" discussed his son's radicalization or potential interest in al-Qaeda, the Taliban or their propaganda, according to the FBI official, who wasn't authorized to discuss the case by name and spoke to the AP on condition of anonymity.

When Ahmad Rahami was arrested, prosecutors said he was carrying a journal that praised Osama bin Laden and other Muslim extremists, fumed about what he saw as the U.S. government's killing of Muslim holy warriors and declared, "Death to your oppression."

Mohammad Rahami said he and his family were in a state of shock following last weekend's blasts, which injured 31 people.

"I condemn the act of my son, and I am sad over injuries caused to people," he said, adding that he was cooperating fully with investigators.

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Ahmed reported from Islamabab. Associated Press writer Eric Tucker contributed to this story from Washington.