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London police have arrested a man on suspicion of murder after they say he knifed a woman to death and injured five other people in central London overnight.

The woman who was killed was an American citizen, and the injured include American, Australian, Israeli and British citizens, the BBC's Russell Newlove reports. Police don't believe that the nationalities of the victims motivated the attack.

Police say the initial investigation suggests mental health was a significant factor in the attack, but add that they are keeping an open mind as they investigate the motive.

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Some other news - tomorrow is a big day in Brazil. The Olympics are coming to Rio de Janeiro.


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A group of about 50 people gathered in late June in the sunny courtyard of the Portuguese consulate in Bordeaux, France. It was from here in 1939 and 1940 that Portuguese diplomat Aristides de Sousa Mendes do Amaral e Abranches issued approximately 30,000 visas to Jews and other stateless refugees.

Lissy Jarvik, who lives today in California, was one of them.

"I was a recipient of a Sousa Mendes visa," she tells the group. "Otherwise I wouldn't be here. I would've no longer been alive 72 years ago."

Each day, 520 trucks with more than 7,000 tons of garbage trundle through the potholed streets of Dunmore and Throop, Pa. The two small towns, just outside Scranton, are home to the Keystone Sanitary Landfill. The trash, however, comes from all over — just about half arrives from out of state.

Keystone Sanitary recently requested a 40-plus-year extension of its permit, which is slated for another eight years, but local activists are pushing back.

Donald Trump boasts about the businesses he's built and that he would be the "greatest jobs president that God ever created." But Hillary Clinton is hitting him for making many of his products overseas and not in the U.S.

On Wednesday the Democratic nominee toured the Knotty Tie Co. in Denver, Colo., and invited her Republican rival to do the same to see where he might transfer some of his business.

Looking for a healthy variety of bugs? You might want to try searching in your wealthiest friend's house.

Neighborhood income is a good predictor of the number of kinds of insects found indoors, according to a recently-published study in Biology Letters. The researchers went searching in the dark corners of 50 homes in the Raleigh, North Carolina, area for bug life.

In a muddy field in northern England's Lake District, more than 20,000 people are camping out at a four-day outdoor music festival called Kendal Calling. They jam along with their favorite bands. Some people wear outlandish costumes: There are superheroes, Indian chiefs and a naked guy wearing only transparent plastic wrap. There's dancing, drinking and occasionally, some illicit drug use.

The fundraising gap between the Clinton and Trump campaigns shrank in July. Altogether, the Trump campaign and affiliated joint fundraising committees took in around $80 million last month, the campaign reported Wednesday, plus $2 million from Donald Trump himself.

I did a little experiment the other day. I stood outside a Whole Foods Market in Washington, D.C., with two cartons of large brown eggs. One carton had the words "Non-GMO Project Verified" on it, with a little orange butterfly. It also said cage-free. The other carton had a different label; a green and white circle with the words "USDA Organic." One other crucial difference: the organic carton cost 50 cents more.

I asked shoppers which carton they would buy.

Teens are driving unsupervised too late at night, a recent study suggests, and expanding restrictions on their nighttime driving to include the hours before midnight could save lives.

Canada has announced details about a long-awaited inquiry into the deaths and disappearances of more than 1,000 indigenous Canadian women.

"The spirits of the missing and murdered Indigenous women and girls will be close in our hearts and in our minds as we do our work," the judge who will lead the inquiry said on Wednesday, the CBC reports.

President Obama has commuted the sentences of 214 federal inmates — "almost all" of whom were serving sentences for nonviolent crimes. According to the White House, it's the "most grants in a single day since at least 1900."

The U.S. State Department is dismissing a newspaper report that links a $400 million cash payment to the release of American prisoners, including Washington Post journalist Jason Rezaian, by Iran.

(Editor's note: Both major presidential candidates this year are Protestants. Both of their running mates were raised as Catholics. Beyond that, their faith profiles are very different. We dug into the faiths of the Republican candidates below and of the Democratic ticket here.)

(Editor's note: Both major presidential candidates this year are Protestants. Both of their running mates were raised as Catholics. Beyond that, their faith profiles are very different. We dug into the faiths of the Democratic candidates below and of the Republican ticket here.)

An Alabama parole board has denied early release to a 78-year-old Ku Klux Klansman who was convicted of killing four black girls in the 1963 bombing of the 16th Street Baptist Church in Birmingham.

Baltimore County police shot and killed Korryn Gaines, a 23-year-old black woman, after an hours-long standoff on Monday — during which Facebook and Instagram, at police request, temporarily shut down Gaines' accounts.

We're living at a time when more than 80 percent of Americans fail to eat the recommended amounts of fruits and vegetables. At the same time, many Americans overeat refined grains and sugar.

This may help explain why the obesity rate seems stuck. The most recent estimate is that 36 percent of adults in the U.S. are obese.

What Makes The Kids Of Congo Run?

Aug 3, 2016

Beatrice Kamuchanga, 19, a humble and soft-spoken girl from the small eastern village of Kirotshe, will represent Congo in the 5,000 meter race this August in the 2016 Olympics in Rio de Janeiro.

But for her, running isn't just about aiming for Olympic glory. "Running gives us the energy to study even when there is not food to eat," she says. "And with God, and as a group, we can continue to succeed together."

On the final night of the Republican National Convention last month, as Donald Trump formally accepted his party's nomination for president, my Code Switch co-host Shereen Marisol Meraji fired off a tweet about how unnerved she was watching Trump's address, with its angry denunciations of Muslims and Mexican immigrants.

"This speech is difficult to listen to as a Latina and an Iranian," she wrote. "So much fear-mongering."

QUIZ: What Were Restaurants Like 100 Years Ago?

Aug 3, 2016

Restaurant dining is a mainstay for many Americans. In 2013, 58 percent of American adults reported dining out at least once per week. Restaurants are such staples of culinary culture that we tend to take their modern-day traits for granted. But they went through a lot of changes to become the delicious destinations we know today.

In an unusual electoral twist, it was the GOP establishment who claimed victory over conservatives with the primary defeat of Kansas Rep. Tim Huelskamp on Tuesday night.

Buoyed by agriculture interest groups and the U.S. Chamber of Commerce, obstetrician Roger Marshall easily ousted the three-term congressman who was one of the most hard-line conservative members of the House and a member of the rabble-rousing Freedom Caucus.

Donna Nickerson spent her last working years as the activity and social services director at a Turlock, Calif., nursing home.

But when she developed Alzheimer's disease and needed that kind of care herself, she and her husband couldn't afford it: A bed at a nearby home cost several thousand dollars a month.

"I'm not a wealthy man," said Nickerson's husband Mel, a retired California State University-Stanislaus professor. "There's no way I could pay for that."