SAN MARTIN JILOTEPEQUE, Guatemala (AP) — The last Ana Marina López heard of her husband, the 51-year-old Guatemalan migrant told his family that he was being detained by Mexican immigration agents at the U.S.-Mexico border.

That was two days before a fire in an immigration detention center in Ciudad Juárez claimed the lives of at least 39 migrants and left more than two dozen injured.

Then his name appeared on a government list of the fire victims, but not specifying whether he was among the dead or the hospitalized. That has left López and her daughter back in their small western Guatemalan town clinging to hope that he may be alive.

And they aren't the only ones.

As images of the devastating blaze consume news broadcasts and social media, families scattered across the Americas are reeling in agony as they await news of their loved ones. The pain and uncertainty felt by families underscores how the effects of migration ripple far beyond the individuals who embark on the perilous journey north, touching the lives of people across the region.

In Juarez, Mexico, a sister waits for news of her Venezuelan brother who's been sedated and intubated in a hospital. In Honduras, families sit stunned after watching video of guards hurrying away from a growing cloud of flames and smoke in the immigration detention center.

And in Guatemala, López cradles a photograph of her husband in a cowboy hat unsure if he is alive or dead.

“This shouldn’t be able to happen. (Migrants) are people, they are humans,” López said, her voice shaking. “What I ask for is justice. They aren’t animals and can’t be treated as such.”

Little is known about the cause of Monday night's fire, and authorities are investigating eight people, including a migrant, who may have started it.

When López's husband, Bacilio Sutuj Saravia, departed on his journey north in mid-March, he told her he was going to Mexico for tourism. Sutuj, who ran a small transport business with two pickup trucks, waited until he was in Mexico to tell her that his intention was to cross to the U.S. to see their daughter and two sons.

However, he never had the chance. Getting off a bus in Juárez's station on Saturday, immigration agents detained him.

López learned of the fire from television news reports. Their children had been unable to reach Sutuj since a brief call he made Saturday saying he had been caught.

“The authorities should be there watching them and taking care of them, not fleeing and leaving them locked up and burned. That pains me," López said.

In the rolling coffee-dotted mountains of western Honduras, the three families horrified by the surveillance video are awaiting confirmation of the fates of their sons. The three friends had set out together for the United States from their small town of Proteccion. Like many in the rural area, the men planned to work and send money back to support their families.

They met a smuggler in San Pedro Sula, a major point of departure in northern Honduras, who took them to Mexico.

On Tuesday the three men's names — Dikson Aron Cordova, Edin Josue Umaña and Jesús Adony Alvarado — were among those to appear on the government’s list of victims without any details of whether they were alive.

“You want to be strong, but these are hard blows. They’re unbearable,” said José Córdova Ramos, father of 30-year-old Cordova. “We’re waiting for real news that would be the first and the last, as they say, if they are alive or dead.”

Their concern is matched by anger from watching guards run away from growing flames and thickening smoke rapidly encapsulating migrants.

Another father rambles off questions: Who started the fire? How did they get fire in there? Did a guard give a lighter to someone inside?

“They didn’t want to do anything," José Cordova said of the guards.

In Ciudad Juarez at the U.S.-Mexico border, 25-year-old Venezuelan nursing student Stefany Arango Morillo has been left with the same pit in her stomach.

She and her brother Stefan Arango Morillo, both single parents, migrated from their northern Venezuelan city of Maracaibo in February, leaving behind three young children between them with their mother in hopes of claiming asylum in the U.S.

Joining a rising wave of Venezuelans heading to the U.S. border, the siblings traversed seven countries in a month’s time to reach Ciudad Juárez.

Together, they attempted unsuccessfully each day to register through a smart-phone app for an appointment to apply for asylum in the U.S.

But their quest came to an abrupt halt Monday, when Stefan was detained by Mexican immigration authorities and placed behind bars in the detention center that hours later would turn into an inferno.

Stefany, searched desperately for her 32-year-old brother, fearing the worst when she received a text from his phone inside a private hospital. He was alive, but his injuries from smoke inhalation made it nearly impossible for him to talk.

In the hospital, Stefan's health deteriorated, and the aspiring physical education teacher was transferred to the hospital emergency room in a coughing fit.

Hours later, his sister pushed into the bustling hospital and planted a kiss on her brother’s forehead shortly before he was sedated and intubated.

“He’s playful, but also has a strong will,” she said.

In the hospital waiting room she cries as she calls relatives in Venezuela, delivering the news. But as she waits, she clings to hope that she can bring him back home.

“This is a like a life lesson," Stefany said. "And believe me that I know and have faith that my brother, that he’ll get out of there and also keep fighting for our dream.”

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Lee reported from Ciudad Juárez, Mexico, and Escalón from Proteccion, Honduras. Associated Press writer Megan Janetsky contributed to this report from Mexico City.