President Donald Trump sits in the Oval Office at the White House in Washington, DC, April 27, 2017.
As a candidate, Donald Trump promised to "make America safe again." Now that he's spent 100 days in the Oval Office, what has he learned about threats to the safety of Americans?
A Yemeni sailor looks at giant cranes, damaged by Saudi-led air strikes, at a container terminal at the Red Sea port of Hodeidah, Yemen
Aid groups call on warring parties in Yemen to pull back from battle over the country's main seaport.
A fuel stand in rebel-held, besieged Eastern Ghouta, Syria, Feb. 12, 2017.
A recent government offensive shut down smuggling tunnels rebels used to bring in supplies to besieged Eastern Ghouta. With nearly 300,000 people reportedly on the brink of famine, only a pair of businessmen can provide supplies. But they aren’t cheap.
A group of African migrants, including English-speaking Cameroonians, protests against the deportation of asylum-seekers on the Greek island of Lesbos.
In recent months, English-speaking Cameroonians have stood up against a Francophone regime they say treats them like second-class citizens. Amid a government crackdown, some young English speakers have lost hope and joined refugees from Iraq, Syria and Libya on the dangerous journey across the Mediterranean.
Children play with a kite at a shelter for displaced Yazidis on Mount Sinjar, northern Iraq.
In 2014, the plight of Yazidis trapped on Mount Sinjar to flee genocide prompted Barack Obama to launch America's first new round of airstrikes against ISIS in Iraq. Now Yazidis are back up the mountain, escaping different sorts of clashes.
An armed man walks on a path near the village of Nialdhiu, South Sudan
Internet researchers have tracked much of the hate speech back to members of the South Sudanese diaspora in the United States, Canada, UK, Kenya and Uganda, who are apparently inciting violence against people back home.
Defense Secretary, James Mattis, checks his watch as he arrives in Kabul, Afghanistan April 24th 2017
Insurgents in Afghanistan carried out the deadliest attack of the war on the Afghan military last week. The violence is raising fresh questions about the direction of the war, and the US' role in it. Defense Secretary James Mattis is visiting to assess calls for more US troops.
North Korean leader Kim Jong-un (R) meeting Abdullah al-Ahmar, deputy general secretary of Syria's ruling Baath Party, on a visit to Pyongyang in 2013
The civil wars raging in Syria are pretty horrific for most people involved. But for North Korea, the carnage has had a silver lining. They've made a ton of money selling weapons and ammunition.
Jews digging a trench in Ponar forest, in which they were later buried, after being shot
More than 70 years ago, a group of Jewish prisoners dug a tunnel using mostly their hands and spoons to escape their Nazi captors. A team of archaeologists has recently discovered the tunnel in Ponar forest outside of Vilnius, Lithuania. The discovery is the subject of a new documentary.
Aya Hijazi, founder of a nonprofit charity that looks after Egyptian street children, sat reading a book inside a holding cell as she faced trial in a courthouse in Cairo, Egypt on March 23.
Her US lawyer says engagement with the Egyptians by the Trump and Obama administrations, as well as by Congress and advocacy groups, helped win her release.

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