7 things to know now: Convention unrest; 19 killed in mass stabbing; flour recall

Here's a roundup of news trending across the nation and world today.

What to know now:

1. Not a lot of unity: The Democratic National Convention saw a contentious start on Monday with the chair of the national committee confronted by angry delegates  at a breakfast, protesters marching outside of the convention hall in Philadelphia, and boos for anyone who mention the name of Hillary Clinton from the convention stage. The unity that organizers claimed would be in full view didn’t really happen until the night’s heavy hitters – Cory Booker, Michelle Obama, Elizabeth Warren and Bernie Sanders – took to the stage. While there was still some shouting, the crowd seemed to find a similar rallying cry by the end of the night. The convention continues Tuesday with the roll call vote of states.

2. Mass murder in Japan: A  man in Japan stabbed and killed 19 mentally disabled people Tuesday in a facility that he had been recently fired from. Satoshi Uematsu, 26, stabbed nearly 50 people in the 40 minute assault in the deadliest mass killing in that country in decades. The killer left a note to the Japanese Parliament explaining his actions.

3. Flour recall expanded again: The recall of flour produced by General Mills has expanded again. Several varieties of Gold Medal and Signature Kitchens flour is being recalled, according to the  Centers for Disease Control and Prevention. An outbreak of  e. Coli,  according to the  CDC, has been traced to  flour produced at a General Mills plant in Kansas City, Missouri,  46 people in 21 states  have been sickened.

4. Crime stats going up: A report released Monday shows an increase in violent crime is in the United States from last year’s numbers. According to the study by the Major Cities Chiefs Association, there have been 307 more homicides  in the United States compared to the same time last year. Rapes and assaults are also on the rise.

5. Russians banned: Five Russian canoeists were banned from competing in  the Rio de Janeiro Olympics Tuesday as the Russian athlete doping scandal spreads. The news comes on the heels of another ban on Russian athletes  -- seven Russians swimmers were told to stay home by the International world swimming governing body also over doping allegations. The reigning world 100-meter breaststroke champion Yulia Efimova is among the swimmers who will not be competing.

And one more

You wouldn’t recognize the face, but you’d likely know the voice if you are a fan of some of the most famous musicals in movie history. Hollywood voice double Marni Nixon, whose voice stood in for those of stars in movies such as “The King and I” and “My Fair Lady, died Sunday of cancer. Nixon’s voice was also used in “West Side Story,” and in some parts of “Diamonds are a Girl’s Best Friend” sung by Marilyn Monroe in “Gentlemen Prefer Blondes.”

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