(CNN) — Protests were held Thursday in Umbauba, in the Brazilian state of Sergipe, following the death of a man in police custody on Wednesday. In a video purportedly showing the incident, two federal highway police officers are seen trying to pin 38-year-old Genivaldo de Jesús Santos to the ground. The widely shared video was edited, leaving gaps where it’s unclear what happened between the clips. The clip below shows officers allegedly placing it in the trunk of a Federal Highway Police patrol van. The individual appears to be resisting officers’ efforts to get him fully into the car. In another clip, officers are shown using the trunk of the police car to immobilize their legs as the vehicle fills with unknown white smoke or gas. The trapped man is heard screaming. In another clip, officers are seen holding the man’s legs down as the gas dissipates, and after about a minute and a half, his legs appear to stop moving. Officers are seen holding the trunk of the vehicle closed. The Sergipe Federal Highway Police said in a statement that Santos “actively resisted” the officer’s approach with “aggressiveness” and the police had to use “immobilization techniques and instruments with less offensive potential” to contain him. Police say the man “got sick” while being transported back to the station and later died in hospital. The Sergipe forensic office (IML, for its acronym in Portuguese) said in a statement that Santos died of suffocation but said “it was not possible to establish the immediate cause” of it. IML said it would carry out further tests to establish “how the suffocation process occurred.” The police opened an internal investigation into the officers involved in the case. CNN has reached out to police for comment on the incident and why the man was taken into custody.
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