Gas Leak in Iraq
Baghdad, August 10, 2025 — In a startling episode ahead of the upcoming Arbaeen pilgrimage, more than 600 Shia pilgrims were briefly hospitalized after being exposed to chlorine gas. The accidental leak occurred overnight along the heavily traveled route between Najaf and Karbala, Iraq (estimated), raising serious safety concerns amid massive religious gatherings.
A deadly chlorine gas leak in Iraq left more than 600 Shia pilgrims hospitalized while traveling to the holy city of Karbala. The incident sparked fear and chaos as thick fumes spread across the route, forcing an immediate evacuation. Emergency teams acted swiftly, providing urgent medical aid and transporting victims to nearby hospitals. Authorities suspect an accidental industrial leak but have launched a full investigation to rule out foul play. Despite the panic, the quick response of rescue crews brought relief to many families. This tragedy has raised serious concerns over safety measures for future religious gatherings.
Leaked Gas Sends Pilgrims to Hospital
According to Iraq’s Health Ministry, a total of 621 cases of asphyxia were reported following exposure to chlorine gas emanating from a water treatment facility near Karbala.
Affected pilgrims experienced respiratory distress, eye and throat irritation, and coughing. Fortunately, all those hospitalized received necessary treatment and were discharged in stable condition.
Location and Context
The gas leak occurred along the sacred corridor between Najaf and Karbala, two revered cities for Shia Muslims. Karbala, home to the shrines of Imam Hussein and his brother Abbas, is expected to receive several million pilgrims this year for Arbaeen, the 40-day mourning ritual marking Hussein’s martyrdom.
Infrastructure Concerns Amplified
In a statement, authorities noted that the leak originated from a chlorine release at a local water treatment station. Xinhua NewsRoya News
The accident highlights the vulnerability of Iraq’s aging infrastructure, which continues to suffer from decades of conflict, neglect, and inconsistent safety compliance.
How Chlorine Affects Health
Chlorine gas is a potent respiratory irritant that reacts with moisture in the breathing passages to form corrosive acids. Even short exposure can cause eye and throat irritation, coughing, and difficulty breathing, while prolonged inhalation may lead to pulmonary edema, inflammation, or long-term airway damage.
Authorities Mobilize in Response
Emergency teams, including ambulances and civil defense, were dispatched to the scene immediately. They transported the affected individuals to nearby hospitals where they received oxygen therapy, respiratory support, and medical monitoring before being safely discharged.
Local security forces—the key guardians of pilgrim safety—identified the water facility as the source of the leak, urging increased vigilance and infrastructure checks on pilgrimage routes.
Pilgrimage Proceeding Amid Precautions
Despite the scare, Arbaeen processions continue to take shape. Religious authorities and officials have urged pilgrims to remain alert, to report any signs of gas leaks, and to seek immediate medical attention if symptoms arise. Protective gear like masks or cloths have been recommended when traveling along known risk zones.
Devastating Precedents Prompt Reflection
The incident recalls past tragedies: in nearby regions, chlorine leaks and industrial accidents have previously led to mass casualties. In Jordan’s Aqaba, for instance, chlorine releases from storage tank accidents left several dead and many injured—underscoring how essential proper safety protocols are in managing hazardous substances.
Final Word
As Arbaeen approaches, the chlorine gas leak near Karbala serves as a stark reminder of the fragility of infrastructure in regions hosting mass pilgrimages. While the quick medical response prevented fatalities, authorities must double down on safety oversight and maintenance. In places where faith draws seas of people, vigilance is not just a precaution—it’s a lifeline.
Source : More than 600 Shia pilgrims hospitalised due to chlorine gas leak in Iraq
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