Editor’s note: On April 19, 1995, a former U.S. Army soldier parked a rented Ryder truck loaded with a powerful bomb made of fertilizer and fuel oil outside a federal office building in Oklahoma City.

The blast at the Alfred P. Murrah Federal Building killed 168 people, including 19 children, and injured more than 500 others in what remains the deadliest homegrown attack on American soil.

Following is the story The Associated Press published on the day of the bombing, Wednesday, April 19, 1995, before the true death toll was known.

OKLAHOMA CITY — A car bomb ripped deep into America’s heartland Wednesday, killing more than 20 people and leaving 300 missing in a blast that gouged a nine-story hole in a federal office building. Seventeen of the dead were children whose parents had just dropped them off at a day-care center, a doctor said.

“We’re sure that that (death toll) will go up because we’ve seen fatalities in the building,” Fire Chief Gary Marrs said.

There was no immediate claim of responsibility for the attack, the deadliest U.S. bombing in 75 years.

At least 200 people were injured — 58 critically, Marrs said — and dozens of others were feared trapped in the rubble of the Alfred Murrah Building.

“I dove under that table,” said Brian Espe, a state veterinarian who was giving a slide presentation on the fifth floor. “When I came out, I could see daylight if I looked north and daylight if I looked west.”

Attorney General Janet Reno refused to comment on who might have been behind the attack. President Clinton called the bombers “evil cowards” and Reno said the government would seek the death penalty against them.

Their clothes torn off, victims covered in glass and plaster emerged bloodied and crying from the building, which looked as if a giant bite had been taken out of it, exposing its floors like a dollhouse.

Cables and other debris dangled from the floors like tangled streamers in a scene that brought to mind car bombings at the U.S. Embassy and the U.S. Marine barracks in Lebanon in 1983.

Mayor Ron Norick said the blast was caused by a car bomb that left a crater 8 feet deep. He said the car had been outside, in front of the building.

“Obviously, no amateur did this,” Gov. Frank Keating said. “Whoever did this was an animal.”

Paramedic Heather Taylor said 17 children were dead at the scene. The children, all at the day-care center, ranged in age from 1 to 7, and some were burned beyond recognition, said Dr. Carl Spengler, who was one of the first doctors at the scene.

Reno said that 300 people were unaccounted for by late afternoon. About 20 of 40 children in the day-care center were missing.

The explosion, similar to the terrorist car bombing that killed six people and injured 1,000 at New York’s World Trade Center in 1993, occurred just after 9 a.m., when most of the more than 500 federal employees were in their offices.

The blast could be felt 30 miles away. Black smoke streamed across the skyline, and glass, bricks and other debris were spread over a wide area. The north side of the building was gone. Cars were incinerated on the street.

People frantically searched for loved ones, including parents whose children were in the building’s day-care center.

Christopher Wright of the Coast Guard, one of those helping inside the building, said rescuers periodically turned off their chainsaws and prying tools to listen for calls of help, “but we didn’t hear anything — just death.”

“You’re helpless really, when you see people 2 feet away, you can’t do anything, they’re just smashed,” he said.

The building has offices of such federal agencies as the Bureau of Alcohol, Tobacco and Firearms, Social Security, Veterans Affairs, the Drug Enforcement Administration and Housing and Urban Development, and a federal employee credit union and military recruiting offices.

The office was built in 1974 and includes an underground parking garage.

The bomb was perhaps 1,000 to 1,200 pounds, said John Magaw, ATF director. As for whether his agency suspected terrorists, he told CNN: “I think any time you have this kind of damage, this kind of explosion, you have to look there first.”

More than two hours after the explosion, people were still trapped in the building.

“We have to crawl on our stomachs and feel our way and we’re talking to victims who are in there and reassuring them that we’re doing everything within the good Lord’s power to reach them and get to them,” Assistant Fire Chief Jon Hansen said. “It’s going to be a very slow process.”

The explosion heightened U.S. fears of terrorism. Federal buildings in several cities were evacuated because of bomb threats, and the government ordered tightened security at federal buildings throughout the country.

In 1920, a bomb blast in New York’s Wall Street area killed 40 people and injured hundreds. Authorities concluded it was the work of “anarchists” and came up with a list of suspects, but all had fled to Russia.

Emergency crews set up a first aid center nearby, and some of the injured sat on the sidewalks, blood on their heads or arms, awaiting aid. St. Anthony Hospital put out a call for more medical help, and at midday, posted a list of more than 200 names of injured so worried relatives could look for loved ones.

“It was like Beirut; everything was burning and flattened,” said Spengler, who arrived minutes after the blast.

Carole Lawton, 62, a HUD secretary, said she was sitting at her desk on the seventh floor when “all of a sudden the windows blew in. It got real dark and the ceiling just started coming down.”

She then heard “the roar of the whole building crumbling.” She managed to crawl down some stairs and was not injured.

The explosion occurred on the second anniversary of the fiery, fatal ending to the federal siege of the Branch Davidian compound in Waco, Texas. That siege began with a raid by ATF agents a month and a half earlier.

Oklahoma City FBI spokesman Dan Vogel wouldn’t speculate as to whether there was a connection. The FBI’s offices are about 5 miles away. Dick DeGuerin, who was cult leader David Koresh’s lawyer, said any such link was just speculation.

In the World Trade Center bombing in February 1993, a rented van blew up in a parking garage beneath the twin towers. Four Muslims were convicted.