Fire Chief Thelmetria 'Meme' Michaelides, sworn in Monday, thanked Prince George's paramedics who provided immediate care.

Just days into her historic appointment, Fire Chief Thelmetria "Meme" Michaelides collapsed at a fireworks safety event. She has since fully recovered.

Prince George's County fire chief, who was recently sworn in, collapsed Wednesday during a Fourth of July fireworks safety demonstration.