Unknown Substance News Today

Four children were hospitalized after they "digested an unknown substance," at school according to police.

Four Airways Middle School students who were hospitalized Tuesday got sick from eating THC gummies, according to the Memphis Police Department (MPD).

Police say a substance from a possible drug lab in Fremont could be responsible for an apartment explosion and the partial closure of a hospital.

A Fresno police officer was hospitalized after he was possibly exposed to a substance while arresting a suspect on Thursday afternoon.

Rest of World News: Several moviegoers in the Greater Toronto Area were evacuated and treated for exposure to an unknown substance sprayed by masked men in theatres playi

Europe News: Two masked men sprayed an unknown substance at moviegoers in theatres in Canada's Greater Toronto area. The people were evacuated and treated for expo

Five Dunbar High School students are recovering after becoming ill Monday upon eating what school officials described as "a substance of unknown origin."

The Butte-Silver Bow Health Department said on Thursday that late Wednesday afternoon, an unknown substance was found at the department.

Interior Health says it’s investigating the incident, but did not say if the unknown substance was an illegal drug.

A letter containing an unknown substance was sent to the French embassy in Moscow, according to TASS news agency. This incident comes after reports of suspicious letters being sent to the Finland embassy in Moscow earlier in April.