Authorities are investigating after video showed a small explosion Thursday afternoon at a well-known tree on UNC Chapel Hill’s campus in North Carolina.

An alert from the school said a small device was detonated in McCorkle Place at the Davie Poplar tree, according to WTVD.

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A Snapchat video shows a man trying to put out the fire at the tree, and then it suddenly explodes.

Officials said the man was injured, but it's not clear how badly.

They also said a suspect is in custody related to the incident.

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Julian Conley listens during opening statements in his trial at Fulton County Superior Court in Atlanta on Wednesday, Sept. 17, 2025. The 25-year-old is accused of fatally shooting 8-year-old Secoriea Turner in July 2020. (Abbey Cutrer/AJC)

Credit: abbey.cutrer@ajc.com