a major fire
... that on 11 April 1996, smouldering polystyrene slabs in a ceiling at Düsseldorf International Airport evolved into a major fire?
... that on 11 April 1996, smouldering <a href="./Polystyrene" id="mwAlM" rel="mw:WikiLink" title="Polystyrene">polystyrene</a> slabs in a ceiling at <a class="mw-redirect" href="./Düsseldorf_International_Airport" id="mwAlQ" rel="mw:WikiLink" title="Düsseldorf International Airport">Düsseldorf International Airport</a> evolved into <b id="mwAlU"><a href="./Düsseldorf_Airport_fire" id="mwAlY" rel="mw:WikiLink" title="Düsseldorf Airport fire">a major fire</a></b>?