The EU has also refused to pay for a wall Hungary built at its Serbian border, reminding the country of its decision to ‘reject an offer of concrete solidarity’ during the 2015 migrant crisis. You have reached a premium content area of TOL. To read this entire article please login if you are already a TOL subscriber. Not a subscriber? Subscribe today for access to: Full access to the website, including premium articles videos, country reports and searchable archives (containing over 25,000 articles). You can subscribe here to gain access to the entire website.