Caritas in Serbia is helping vulnerable families by procuring firewood and stoves or paying their electric bills.
More help needed for refugees in Serbia as Caritas provides food in shelters but thousands more face freezing temperatures in the open.
Caritas is providing what aid it can to migrants and refugees facing life-threatening conditions after snow and arctic cold blanketed Greece, Serbia and south-eastern Europe.
The decision to impose tighter border restrictions is effectively converting Greece into a refugee camp. Caritas is providing aid, but says EU policies must change.
Modar used to work for Caritas in Syria helping people who were fleeing conflict. When life became too dangerous, he left for Europe. He describes his work, the terrible journey and coming to terms with being a refugee.
Caritas staff and volunteers joined migrants and refugees in an asylum centre in Belgrade to celebrate lunch on Christmas Day.
Serbia, Croatia and Slovenia are struggling to cope with a record numbers of refugees arriving in their countries.
Ana Zivkovic is a communication officer for Caritas Serbia. She explains what kind of services Caritas Serbia is giving to refugees and migrants, what the challenges are and how she personally feels about their situation.
Ali lost his family 4 years ago in Afghanistan when he was just 11. After years of work and struggle, he has arrived in Europe in search of them and a future.
With no room in the flimsy boat for all of his family of six, Khaled Basheer swam behind with his daughter clinging to his back as they headed from Turkey to Greece. Now they're in Serbia, waiting to start a new life in Europe.