School board meetings have been erupting into chaos over mask mandates and other measures intended to stop the spread of the coronavirus pandemic. 

As CNN’s Don Lemon pointed out on Tuesday, the American Academy of Pediatrics said cases among children have risen fivefold over the past month amid the surge of the delta variant. More than 200,000 children tested positive for COVID-19 just last week. 

Yet right wing trolls have invaded school board meetings to stop mitigation efforts, with one in Lee County, Florida, leading to physical brawls outside and such head-spinning claims inside that Lemon was silent for four seconds before responding:

This article originally appeared on HuffPost and has been updated.