Translate the following English sentence to French:
"There was an explosion in a fireworks warehouse which has already caused at least sixteen deaths and has injured over six hundred people, six of whom are in a critical condition, with many more people reported missing."
L'explosion d'un entrepôt de feux d'artifice a déjà fait au moins seize morts, plus de six cents blessés, dont six dans un état critique, et de nombreuses personnes sont encore portées disparues.