President Donald Trump stated that German Chancellor Angela Merkel's decision to open her country's borders for more than a million refugees and illegal immigrants was a "catastrophic mistake" and "the final straw that broke the camel's back", allowing the Leave campaign to win.Furthermore, Nigel Farage and long-term Eurosceptic party UKIP used images from the refugee crisis during their campaign to increase the anxiety about immigration that the crisis caused, prompting criticism from some "Leave" and "Remain" supporters.