More than 2,000 refugees have crossed into Iraq since Turkey began its assault on northeastern Syria last week. Aid groups are bracing for as many as 50,000 refugee arrivals.
They're used in infographics, maps, charts and signs to help make crisis-related information easier to understand. See if you can understand what they convey.
So far, the fighting has stayed in Hodeidah's outskirts. But the relative calm isn't likely to last — and aid groups are desperately calling for its port to stay open for a country already in crisis.
The U.N. pulled foreign staff from Hodeidah amid efforts to avert an attack by pro-government forces backed by the United Arab Emirates. A shutdown of the port could put hundreds of thousands at risk.