Iraqi army gather after the liberation of a village from Islamic State militants, south of Mosul, during...
REFILE - ADDITIONAL CAPTION INFORMATIONIraqi army gather after the liberation of a village from Islamic State militants, south of Mosul, during an operation to attack Islamic State militants in Mosul, Iraq, October 21, 2016, as toxic smoke is seen over the area after Islamic State militants set fire to a sulphur factory. REUTERS/Thaier Al-Sudan TPX IMAGES OF THE DAY