Border

Ukrainian border guards prepare for a training session at a military camp in the village of Alekseyevka on the Ukrainian-Russian border, eastern Ukraine, Friday, March 21, 2014. Russian President Vladimir Putin signed bills on Friday making Crimea part of Russia, completing the annexation from Ukraine.

Sergei Grits/AP

Ukrainian border guards prepare for a training session at a military camp in the village of Alekseyevka on the Ukrainian-Russian border, eastern Ukraine. Vladimir Putin, Russia’s president, signed bills on Friday making Crimea part of Russia, completing the annexation from Ukraine.

A tunnel worker ascends on a rope inside a smuggling tunnel dug beneath the Gaza-Egypt border in the southern Gaza Strip. Hamas is struggling to meet its payroll in the Gaza Strip, where income from taxes has been badly hit since neighbouring Egypt started destroying a network of tunnels used to smuggle food, fuel and weapons into the Islamist-run enclave. Picture taken October 8, 2013.

Ahmed Zakot /Reuters

A tunnel worker ascends on a rope inside a smuggling tunnel dug beneath the Gaza-Egypt border in the southern Gaza Strip. Hamas is struggling to meet its payroll in the Gaza Strip, where income from taxes has been badly hit since neighbouring Egypt started destroying a network of tunnels used to smuggle food, fuel and weapons into the Islamist-run enclave.

A Syrian refugee boy stands in front a big Syrian opposition flag at Al Zaatri refugee camp in the Jordanian city of Mafraq, near the border with Syria, April 25, 2013.

Muhammad Hamed/Reuters

A Syrian refugee boy stands in front of a large Syrian opposition flag at Al Zaatari refugee camp in the Jordanian city of Mafraq, near the border with Syria on Thursday. Read more