translate English to French: On 28 January, in Katowice, the collapse of the roof of an exhibition hall led to the deaths of several dozen people and to some one hundred people being injured. An unknown number of people are missing.
Le 28 janvier, à Katowice, l’effondrement du toit d’un pavillon d’exposition a fait plusieurs dizaines de morts, une centaine de blessés et un nombre inconnu de disparus.