The baby was thrown in his baby carrier at the security guard and fell out of his carrier onto the concrete floor.

When a shopper tried to help the infant the baby’s aunt then hurled the baby at the good samaritan.

The woman escaped in a blue Ford Escort leaving the mother she was traveling with in the bathroom during the incident.

The baby was not injured and was released after being treated by paramedics at the scene.

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School officials were unaware of any previous issues with the teacher in question or had any idea if the attempt on the teacher was a contract killing. Another student who witnessed the attempted poisoning alerted teachers.

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The spill has fouled miles of coastline and had environmentalists scrambling Friday to save the bay’s birds, fish, invertebrates and marine mammals.

“The effects of the oil spill could persist for months and possibly years,” said Tina Swanson, a fish biologist with the Bay Institute.

Questions persisted about why the Coast Guard took so long to report the scope of the spill.

The oil spilled from a South Korea-bound container ship when it struck a tower supporting the San Francisco-Oakland Bay Bridge in dense fog Wednesday. The accident did not damage the span, but the vessel’s hull was gashed, officials said.

Tides carried a plume of heavy fuel beneath the Golden Gate Bridge and into the Pacific Ocean. By Thursday afternoon, oil had been sighted about 15 miles north of the city, and at least eight beaches in San Francisco and Marin County were closed.

Wildlife rescue workers and volunteers combing beaches have found dozens of dead and injured seabirds coated in black oil, said Michael Ziccardi, director of the California Oiled Wildlife Care Network. Ten to 15 teams were to be dispatched Friday to search for more.

More than 30 oiled birds, mostly surf scoters that live on the water’s surface, were taken to a mobile treatment center in San Francisco’s Fort Mason, Ziccardi said. Most will be taken to a wildlife care center to be cleaned and rehabilitated before being released into the wild.

The oil seeps into the birds’ skin, leaving them unable to maintain their body temperature, Ziccardi said. Once covered in oil, the birds are forced to move ashore where they are at risk of starvation.

Wildlife officials are concerned that the Bay Area’s sea lions and harbor seals could also be affected, though there were no confirmed reports Thursday of injured marine mammals.

The oil spill is bad news for the region’s fish and fishermen.

Herring, the bay’s only commercially fished species, spawn at this time of year, and the spill could affect the fishing season that begins in January, said Zeke Grader, who heads the Pacific Coast Federation of Fishermen’s Association.

The spill could threaten steelhead and chinook salmon that travel through the bay to spawning grounds in the Sacramento and San Joaquin rivers during the fall, Grader said.

Scientists also are worried about the spill’s effect on the longfin smelt, the population of which has reached record low levels this year. In August, environmental groups petitioned state and federal agencies to list it as an endangered species.

“This is exactly the kind of event that can push a species into extinction,” said Swanson, of the Bay Institute.

As scientists worried about the future of the region’s wildlife, authorities questioned the Coast Guard’s response in the hours after the spill.

More than 12 hours after the incident, Coast Guard officials were still saying just 140 gallons had leaked, according to Mayor Gavin Newsom, who said the city would consider legal action against anyone found liable.

“We would have responded differently if we had accurate information from the get-go,” Newsom spokesman Nathan Ballard said. City workers, for instance, would have initially laid more boom lines to contain the oil, he said.

Sen. Barbara Boxer also criticized the Coast Guard’s response. In a letter sent Thursday to Commandant Adm. Thad W. Allen, the California Democrat said she was “very troubled by the Coast Guard’s delay in delivering accurate information to the public and the city of San Francisco. Many questions remain as to why it took an entire day to determine the gravity of this spill.”

Coast Guard Capt. William Uberti, captain of the Port of San Francisco, said Coast Guard personnel knew the full extent of the spill by about 4 p.m. He rejected any suggestion that the crews could have contained the spill more quickly.

”

We mobilized as if it was a big spill right away,” said Uberti.

About 9,500 gallons of fuel were recovered, and 18,000 feet of booms were in place by Thursday afternoon, the Coast Guard said.

Authorities were still investigating the cause of the crash.