Since the government suppressed street protests last April, thousands of Nicarauguans have sought safety in neighbouring Costa Rica.
A new reception centre in Maicao offers temporary housing for the most vulnerable Venezuelans who are exposed to serious risks.
Despite Venezuela having officially closed its land borders with neighbouring Colombia and Brazil, thousands of people are still leaving the country daily.
UNHCR is calling for increased efforts to address the dangers and legacy of landmines in eastern Ukraine, one of the most landmine-contaminated areasin the world.
Ukraine is one of the most mine-affected countries in the world, limiting freedom of movement and posing a serious threat to civilians crossing the contact line.
The UN and its humanitarian partners launched an appeal which seeks US$4.2 billion to provide vital aid to Yemenis in desperate need this year.
UNHCR and Syrian Arab Red Crescent (SARC) delivered aid to more than 40,000 people in the remote Rukban makeshift settlement in south-eastern Syria.
The plan will provide assistance to more than nine million people, including Syrian refugees, and up to 3.9 million vulnerable members of host communities.
Nearly 1,500 civilian casualties were reported in Yemen between August to October 2018, according to the UNHCR-led Protection Cluster in Yemen.