One of the legacies of the Rio Olympics was supposed to be a safer city. A year later, that promise hasn't been kept and soldiers are patrolling Rio's streets.

North Korea says it will finalize a plan to fire four missiles into the waters off the Pacific island of Guam by mid-August. That threat is supported by intelligence reports that indicate that North Korea has been advancing its offensive nuclear capabilities.

The Trump administration wants North Korea to get rid of its nuclear weapons. And it has threatened a military response if North Korea launches missiles toward Guam. But what can the US and its allies really do? Col. Sam Gardiner has a bleak outlook.

The United States and Japan have been allies and strategic partners since World War II, but an effort to move and expand a Marine Corps base in Okinawa is causing friction with locals.

A French appeals court increased the sentence against a farmer who has made a point of housing migrants and helping them cross the border from Italy.

Thailand is about 3,000 miles from North Korea. But for North Koreans seeking to defect from their abusive state into South Korea, it's the closest reachable nation where they can reasonably expect that the government will deliver them to South Korean officials.

The US backs one side of the civil war in Yemen. But, as the US Ambassador to Yemen explains, it is also deeply concerned about the humanitarian crisis there, brought on by both sides in the conflict.

With ISIS losing territory in Syria and Iraq, what will happen to their wives and children? We spoke to Borzou Daragahi of BuzzFeed News, who recently reported on meeting some of these women in Syria.

Some have been freed and some are still in jail in a controversial trial of journalists from Turkey's oldest and most respected independent newspaper.

Get a rare look inside Yemen's cholera crisis as a FRONTLINE crew films inside a hospital in the rebel-held capital, Sanaa.