( CNN ) -- Since conflict broke out in Syria in 2011 , the fighting between rebels and soldiers loyal to Bashar al Assad has torn countless families apart with more than a million children now refugees , the United Nations ' refugee agency , UNHCR , says . Scarred by the horrors of war , the refugee children suffer from psychological distress , live alone or separated from their parents , receive no education or are thrown into illegal child labor , it says . Read more : Syria 's refugee children 'in crisis ' Throughout the year , CNN 's reporters have been filing harrowing reports on the impact of the war on Syria 's children . Click on the videos below to hear their stories . Be warned , some of the content is graphic and disturbing . In October , Atika Shubert described a new low in the violence playing out across Syria . A British doctor told her he believed snipers were targeting pregnant women , sometimes children , and other specific targets , in gruesome `` war games . '' A month earlier , Arwa Damon reported on extreme malnutrition in Syria , where children in besieged cities had been cut off from food and medical supplies . A lack of food had caused anemia , diarrhea and even bone fractures , a doctor tells her . Mohammed Jamjoom revealed heart-rending images of Syrian child refugees and their grim life in neighboring Lebanon in July . The flood of Syrian refugees across the border was at first met with a lot of helpful support by Lebanese , he said . But as the number of refugees increased , so did Lebanese resentment towards them . Fred Pleitgen went inside Syria in June , reporting that children were often those suffering the most . They had been killed , maimed and displaced , or left just trying to cope . Nick Paton Walsh visited Jordan 's Zataari refugee camp , flooded by icy storms ahead of expected winter snow , in January . The United Nations says hundreds of Syrians are arriving daily and about 20 % of the camp 's population is aged under four . More than a year later , Paton Walsh introduced Mais -- a 2-year-old orphan -- the only survivor of a barrel bomb blast in the city of Aleppo . The little girl was adopted by a couple living in a basement . All her new family knew about her was that her parents were gone . Read more : Syria 's traumatized refugee children will be the ones to rebuild their country .
Since January , As many as 100,000 Lebanese children have become refugees , the UNHCR says . more than 1 million people have been killed in the conflict , leaving many children orphaned . CNN 's reporters have been filing harrowing reports on the impact of the war on Syria 's children . Video reports show them under fire in Jordan , struggling to cope in refugee camps outside .