Korva Coleman

A huge explosion in central Beirut has killed at least eight people and wounded at least 78, state media in Lebanon are reporting, according to NPR's Kelly McEvers. The target of the bomb isn't clear, but Reuters says the blast occurred on the same street that's home to a political group that opposes Syrian President Bashar Assad.

RealtyTrac, an online industry group that follows the foreclosure market, says the number of foreclosed properties nationally dropped dramatically in September, down by seven percent from August. And the firm says since September 2011, foreclosures are down 16 percent — that's the lowest total since July 2007.

Update at 3:00 p.m. ET. No Settlement Expected Today:

NPR's Ken Barcus says that no settlement is expected today. The most likely scenario is a contract vote sometime on Sunday, he says.

The Chicago Tribune reports quotes a union attorney who said that the outlines of an agreement are there, but a vote on ending the strike is not likely until Sunday.

Our Original Post Continues:

Pilot and author Richard Bach was hurt Friday when the small plane he was flying tangled in power lines as he attempted to land, according to media reports.

Correction: the Runner's World calculator discussed below is used for training purposes. A pace calculator estimates that Ryan would have needed to run at about 6:50 per mile to complete a marathon in 2:59.

Our original post:

Tropical Storm Isaac has been difficult to track, but its potential to affect Florida has caused the Republican National Convention to change its plans. Events for Monday have been canceled, though the committee will convene briefly. As Alan Greenblatt reported for It's All Politics, this is now the second-consecutive Republican National Convention to be delayed by a storm.

Update at 8:55 p.m. ET. Nomination Delayed:

Former astronaut Neil Armstrong, known for his words, "That's one small step for man, one giant leap for mankind," has died. The first man ever to walk on the moon was 82.

Update at 5:15 p.m. ET:

Armstrong's family has released a statement, saying he died following cardiovascular procedures. NASA published it here. They say, "Armstrong was also a reluctant American hero who always believed he was just doing his job."

The shooting outside the Empire State Building on Friday took a new turn Saturday: New York City Police Commissioner Raymond Kelly says all nine bystanders wounded in the deadly incident were "struck either by fragments or bullets fired by the police."

New York's John F. Kennedy airport failed a security check Saturday night, in a public and surprising way.

Secretary of State Hillary Clinton and Turkish Foreign Minister Ahmet Davutoglu got straight to the point in their joint news conference Saturday. They announced the creation of a new working group that will monitor what's happening next door in Syria and prepare for crises.

One of those crises could include the possibility that the Syrian government decides to deploy chemical weapons against rebels or other perceived enemies.

Syrian rebels are taking a pounding in Aleppo, Syria's largest city but they continue to hold some neighborhoods where they've taken control. VOA reports the Syrian government is warning of "the mother of all battles" in the commercial hub, home to millions of people. Russia says a tragedy is "imminent."

Update at 5:36 p.m. ET. U.S. Attorney Will Investigate:

During a press conference today, Mayor Tom Tait asked for calm. He also said that the Office of the U.S. Attorney had agreed to investigate the shootings.

"The first step is to get to the truth," Tait said according to the Orange County Register. "That takes some time and patience, and that's what I'm asking for."

Our Original Post Continues:

China and Russia this morning vetoed a U.N. Security Council resolution that could permit sanctions against Syria unless the government of President Bashar Assad stops using weapons against civilians. This is the third time China and Russia have rebuffed measures pushed by the United States and its allies to try to bring a halt to Syria's violent civil conflict.

A day after Republican presidential candidate Mitt Romney spoke to the nation's oldest civil right organization, Vice President Joe Biden appeared at the NAACP's annual convention. He quickly tackled one issue that drew Romney sustained boos — the 2010 health care overhaul.

Biden appeared in place of President Obama, who made a brief videotaped address thanking the group for its work. He walked out to warm applause, and several of his remarks were interrupted by shouts of agreement.

A train carrying hazardous material derailed in Columbus, Ohio overnight and boxcars caught fire. The Norfolk Southern freighter was outbound for Chicago when it jumped the tracks about 2:00 a.m.

Residents of San Bernardino woke up to suddenly find their city has been told "Do Not Pass Go, Do Not Collect $200." And oh, do they need money.

Barely a day after she competed in the Miss USA beauty contest, Miss Pennsylvania Sheena Monnin tore off her sash and fired a scorching resignation:

"In good conscience I can no longer be affiliated in any way with an organization I consider to be fraudulent, lacking in morals, inconsistent, and in many ways trashy."

Trashy? There's a surprising perjorative from a woman who says on Facebook she's spent a decade associated with the pageant.

Homeland Security Secretary Janet Napolitano pledged on Wednesday the investigation into Secret Service agents who allegedly hired prostitutes this month in Cartagena, Colombia, "will be complete and thorough and we will leave no stone unturned."

Here's one way to spend time under house arrest: The WikiLeaks creator will run for the Senate in Australia, his home country. The revelation appeared, typically, on WikiLeaks' Twitter feed:

Assange is under house arrest in England, fighting extradition to Sweden, where he's accused of two sex crimes.

Daylight saving time goes into effect at 2 a.m. tomorrow. Remember the adage, "Spring forward, fall back," and set your clock ahead by one hour before you go to bed tonight.