March 25, 2016
It is the smell that you notice first of all – a bitter mixture of egg and cucumber that hangs in the air, and burns your nose and throat.
Local people say they have been washing down the streets and cleaning their houses constantly, but it will not go away.
It has been like this in Taza since this small town, about 20km (12 miles) south of the city of Kirkuk, was the target of what Iraqi officials say was a chemical weapons attack on 8 March.
A barrage of rockets was fired from the nearby village of Bashir, which is controlled by militants from the Sunni jihadist group, Islamic State (IS).
Source: BBC News.