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

1. WHAT HAS OLYMPIC ATHLETES CONCERNED

New AP testing finds Rio’s Olympic waters highly contaminated by sewage, even far offshore, leaving athletes at risk of illness.

2. MAYOR DISMISSES CHICAGO’S POLICE CHIEF

He says the public’s trust in the department has eroded since the release of a video showing a white officer shooting a black teenager 16 times, but he is also under scrutiny.

3. WILL GLOBAL WARMING CREATE ITS OWN REFUGEE CRISIS?

Relatively few people have been forced to leave their home countries because of global warming, but the world appears utterly unprepared for the day when that changes.

4. WHERE REBUILDING IS PROVING DIFFICULT

Two months after the Taliban rampaged through the northern Afghan city of Kunduz, residents are still sifting through the rubble, wondering how they will ever rebuild and worrying that the insurgents will return.

5. UNDER RULE OF ISLAMIC STATE EXTREMISTS, GAYS UNDER THREAT OF CRUEL DEATH

A witness gives the AP a rare first-hand account of two men convicted of homosexuality who were thrown to their deaths from the roof of a hotel in Syria.

6. A CONVERSATION WITH TEXAS SEN. TED CRUZ

In an interview with the AP, the Republican presidential candidate outlines a robust approach to foreign policy inspired by Ronald Reagan, but doesn’t commit to more US troops on the ground in the Middle East.

7. MAINE LOOKS BEYOND LOBSTER

The state known for its crustaceans has become the nation’s top seaweed producer.

8. US HOLOCAUST HERO GETS HIS DUE

A WWII soldier who refused to let Jewish American prisoners of war be separated from their fellow brothers in arms and sent to an uncertain fate is being honored posthumously with Israel’s highest honor for non-Jews who risked their lives to save Jews during the war.

9. READING, WRITING AND COMPUTER SCIENCE

A national push is underway to expose more public school kids to computer science, even as early as kindergarten.

10. BACK PAIN KEEPING TIGER WOODS ON SIDELINES

The golfer, now at No. 400 in the world, tells the AP’s Doug Ferguson that he can’t even imagine when he might play again.