The bullet riddled bodies of two men lie on the ground next to a vehicle, a day after a gun battle between gunmen and security forces in Culiacan, Mexico, Friday Oct. 18, 2019. Mexican officials say eight people were killed in the battles in what is being described as a failed operation to detain the son of convicted Sinaloa cartel boss Joaquin "El Chapo" Guzman. (AP Photo/Augusto Zurita)

The bullet riddled bodies of two men lie on the ground next to a vehicle, a day after a gun battle between gunmen and security forces in Culiacan, Mexico, Friday Oct. 18, 2019. Mexican officials say eight people were killed in the battles in what is being described as a failed operation to detain the son of convicted Sinaloa cartel boss Joaquin "El Chapo" Guzman. (AP Photo/Augusto Zurita)

CULIACAN, Mexico (AP) — Mexican security forces aborted an attempt to capture a son of imprisoned drug lord Joaquin “El Chapo” Guzman after finding themselves outgunned in a ferocious shootout with cartel henchmen that left at least eight people dead and more than 20 wounded, authorities said Friday.

The gunbattle Thursday paralyzed the capital of Mexico’s Sinaloa state, Culiacan, and left the streets littered with burning vehicles. Residents took cover indoors as automatic gunfire raged outside.

It was the third bloody and terrifying shootout in less than a week between security forces and cartel henchmen, raising questions about whether President Andrés Manuel López Obrador’s policy of avoiding the use of force and focusing on social ills is working.

López Obrador defended the decision to back down, saying his predecessors’ strategy “turned this country into a cemetery, and we don’t want that anymore.”

But Mike Vigil, a former chief of international operations for the U.S. Drug Enforcement Administration who worked undercover in Mexico, called the violence “a massive black eye to the Mexican government” and a “sign that the cartels are more powerful” than it is.

Streets in Culiacan, a city of over 800,000, remained blocked with torched cars Friday morning, schools were closed, and some public offices asked their employees to stay home. Few buses were running.

Teresa Mercado, who had just returned to her native Culiacan on Thursday, said: “This is worse than what I had lived through years ago.”

Authorities said 35 troops arrived at a home Thursday afternoon to arrest Ovidio Guzmán López on a 2018 extradition request from the U.S. They entered the home, where Guzman and three others were inside.

Heavily armed men in greater force surrounded the house and also unleashed mayhem elsewhere, taking over toll booths and main roads into the city. Men carrying high-caliber weapons blocked major intersections.

Amid the chaos, inmates at a prison rioted, seized weapons from guards and fled. Fifty-six prisoners escaped, and 49 were still at large Friday, according to Sinaloa Public Security Secretary Cristóbal Castañeda. Two guards were taken captive and later freed.

The attacks were so brazen that Sinaloa cartel gunmen took several soldiers hostage and even attacked the housing complex where soldiers’ wives and children live.

Defense Secretary Gen. Luis Cresencio Sandoval said “they did approach the housing complex, they entered the housing complex and opened fire on the housing complex, and they abducted a civilian security guard ... and a soldier in civilian clothes who was returning from leave.”

Videos on social media showed a scene resembling a war zone, with gunmen, some in black ski masks, riding in the back of trucks and firing mounted machine guns as smoke rose above the cityscape. People ran for cover as gunfire rattled around them, and motorists drove frantically in reverse, trying to escape the bullets.

Five attackers, a member of the National Guard, a civilian and a prisoner died in the gun battles, Cresencio Sandoval said. He said seven members of the security forces were wounded and eight held captive before being released unharmed.

The government’s security cabinet made the decision to withdraw the troops to avoid greater loss of life.

“The capture of one criminal cannot be worth more than the lives of people. They made the decision and I supported it,” López Obrador said. He added: “We do not want deaths. We do not want war.”

Security cabinet officials said they were not informed about the operation beforehand. They said troops surrounded the house without a search warrant and came under fire before one could be delivered, at that point deciding to enter without the warrant. And they said the troops underestimated the cartel’s response.

Sandoval said that if the security cabinet had known about the operation, it would have gone about it differently and deployed more troops and even sent air support.

“This group ... rushed things. It did not consider the consequences,” he said.

It was not clear what happened to Guzmán after the troops left. Federal Security Secretary Alfonso Durazo said he was never under formal detention.

José Luis González Meza, a lawyer for the Guzman family, said Friday that the Guzmán family would cover the expenses of those wounded and killed.

“In this case, the family apologizes to the people of Sinaloa, and particularly to the people of Culiacan,” González Meza told a news conference in Mexico City. “They will take care (of the expenses) of the wounded and the dead ... however many there were, man, no problem, they will help them economically.”

Juan Pablo Badillo, a lawyer who represents the drug lord in Mexico, praised López Obrador, saying Ovidio Guzman was freed “by a manly order, an intelligent order, a sensible order from President Andrés Manuel López Obrador.”

José Reveles, the author of several books on the Sinaloa cartel, said the operation was done clumsily from both an operational and a political standpoint.

“If the government says it did not know anything, that’s absolutely unheard of, and especially for an operation of this magnitude,” Reveles said. “If you’re going to do an operation of this size, you should do it right — guard all flanks, add security in the prison.”

At the same time, he allowed that “doing a surgical operation there is impossible; the strength of the Sinaloa cartel was made clear.”

Vigil, the former DEA agent, worried that the retreat could lead to more bloodshed.

“This is going to set an example for the other groups,” Vigil said. “It sends them the message that if they capture a member of the cartel, all they have to do is go in the city and intimidate the citizenry and security forces.”

On Friday, the defense department announced it was flying two planeloads with 230 army special forces troops into Culiacan as reinforcements.

The elder Guzman is serving a life sentence in the U.S. after being convicted last February of industrial-scale drug trafficking.

Ovidio is not one of the drug lord’s best-known sons. Iván Archivaldo Guzmán and Jesús Alfredo Guzmán are known as “Los Chapitos,” or “the little Chapos,” and are believed to be running their father’s cartel together with Ismael “El Mayo” Zambada.

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But Ovidio Guzmán was indicted in 2018 in Washington, along with a fourth brother, on charges of trafficking cocaine, methamphetamine and marijuana.

Gun battles between gangs and security forces are relatively common in Mexico, but this week has seen three notable and frightening clashes. On Monday, 13 police officers were killed in a cartel ambush in the state of Michoacán, and the following day soldiers killed 14 gunmen while losing one of their own in neighboring Guerrero state.

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Peter Orsi reported from Mexico City. Associated Press writers María Verza and Mark Stevenson in Mexico City contributed.