(UN News Centre) – Child protection systems across Europe are completely overwhelmed as the rate of youngsters in the flood of refugees and migrants has soared to one in three compared with one in 10 less than a year ago, the United Nations warned today, calling for strengthened steps to prevent exploitation and abuse. Although there is a great risk of trafficking, so far there has only been anecdotal evidence, UN Children’s Fund (UNICEF) spokesperson Sarah Crowe told a news briefing in Geneva, giving the latest update on the situation.