I doubt it was tear gas but something clearly happened. I wasn't there so I can't tell you what really happened...but again I trust the civilians on the ground far more than I trust the government.
https://www.newsweek.com/reverend-says-she-was-tear-gassed-outside-white-house-so-trump-could-hold-bible-look-christian-1508074Edited by Da_Haze at 18:50:06 on 06/03/20