@JeremyECrawford Please can you confirm an AoE spell cast into an area with PC's and creatures will effect everyone not just enemies?
— Mike Verling (@mverling) February 1, 2016
An AoE spell like fireball targets everyone in its area (says "each creature"). Other spells are selective. #DnD https://t.co/ch98U6dycx
— Jeremy Crawford (@JeremyECrawford) February 1, 2016