The mystery of the pungent smell that troubled the residents of Rishon Lezion for two days was solved after an extensive night hunt, when the source of the hazard was discovered in an open sewer in a remote industrial area in the west of the city • The dumping of fuel and oil waste into the city's sewage infrastructure created a chemical reaction that spread a strong and suffocating smell throughout the city, accompanied by residents' complaints of burning eyes and throats and even evacuating two women to the hospital