Brussels, 19/09/2011 (Agence Europe) - Head of the EU diplomatic corps Catherine Ashton has called for calm in northern Kosovo. On Thursday 15 September, a EULEX team was deployed to restore customs controls on Kosovo's northern border in an operation in which an Albanian policeman was killed (see EUROPE 10454). “I call on everybody in northern Kosovo to show restraint and remain calm. It is in the interest of all sides to defuse tensions … and act responsibly. Violence would be...