10 Things to Know for Tuesday September 24, 2013

Your daily look at late-breaking news, upcoming events and the stories that will be talked about today:

1. AMERICANS MAY HAVE AIDED MALL ATTACK  U.S. officials say they're looking into a claim by Kenya's foreign minister that "two or three Americans" were among the terrorists who killed at least 62 people. KENYA-MALL ATTACK

2. WHITE HOUSE SEES AN IRANIAN OPENING  Obama in his speech to the U.N. is expected to signal a willingness to engage with the new Iranian government in exchange for nuclear concessions. OBAMA-UN

3. WHY SAFEGUARDING CHEMICAL WEAPONS COULD BE HAZARDOUS  Video images of Syrian military helicopters dropping barrel bombs on opposition-held areas underline the difficulties international inspectors will face on the ground. SYRIA

4. TWO CHARGED IN CHICAGO PARK SHOOTING  Police say both men played significant roles in the apparently gang-related attack that injured 13 people. But neither is believed to have pulled the trigger. CHICAGO VIOLENCE

5. HOW NAVY YARD SHOOTER SLIPPED THROUGH THE SYSTEM  He lied about a previous arrest and failed to disclose thousands of dollars in debts when he applied for a military security clearance. NAVY YARD SHOOTER-SECURITY CLEARANCE

6. NINE MILLION IPHONES SOLD IN THREE DAYS  The iPhone 5S and 5C's quick start surpasses analyst forecasts that Apple would sell 6 million to 8 million models the first weekend. APPLE-IPHONE LAUNCH

7. WHAT TO EXPECT WHEN YOU'RE EXPECTING  Pregnant women need to beware of industrial chemicals and pollutants that people encounter in the air, water, food and everyday products, experts say. PREGNANCY-CHEMICALS

8. WHO'S TOUTING A HEALTHIER FRENCH FRY  Burger King is launching a new crinkle-cut french fry that it says has about 20 percent fewer calories than its regular french fries. BURGER KING-LOWER CALORIE

9. STAR IS RESURRECTED IN NEWLY DISCOVERED FILM  A carpenter in New Hampshire stumbles upon the only known copy of a 1911 movie starring Mary Pickford — the actress known as America's Sweetheart. LOST PICKFORD FILM

10. PLAYOFF DROUGHT ENDS IN PITTSBURGH  With a victory over the Cubs, the Pirates clinch their first trip to baseball's postseason in 21 years. PIRATES-CUBS