According to the RMF FM, 14 people have been evacuated in connection with the incident. The four of them are under medical supervision. The individuals are complaining of a headache and nausea.
The reports were later confirmed by Poland's State Fire Service.
"A total of 14 people were hospitalized after a chemical leak that occurred in the cargo terminal in Warsaw," the statement read.
Currently, a group of specialists is studying the substance.
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Warsaw Frederic Chopin Airport, located near the Polish capital, is the largest in the country. According to the statistics, it handles just up to 40% of the country's air passenger traffic, with at least 16 million people using it in 2017.