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.