A valley Walgreens was evacuated Tuesday after customers became sick.
While workers were waxing the floor, people began feeling ill -- some were vomiting.
When police arrived at the scene near Southern and McClintock, they determined that the wax, which was propane based, gave customers carbon monoxide poisoning.
No one was seriously injured.
Crews ventilated the building, but it has yet to reopen.
WTTG FOX 5 & myfoxdc
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