Macedonia, Serbia, Croatia Tighten Border Controls

While Balkan countries threaten to close off their borders entirely, Greece is struggling to cope with the numbers of migrants stuck and unable to continue onto the rest of Europe.

Teams of US and Brazilian health workers ventured into dicey slums to determine if the Zika virus is causing babies to be born with a birth defect affecting the brain.

Today the United Nations Secretary General Ban Ki Moon will arrive in South Sudan to support the ongoing peace process.