That twitter feed cites a single Anonymous source. Foxnews also used an anonymous source from twitter for their story. They were unable to get a comment from Pa

That twitter feed cites a single Anonymous source. Foxnews also used an anonymous source from twitter for their story. They were unable to get a comment from Park Police. Meanwhile there are many reports from people on the ground that it was tear gas. Nobody from Whitehouse or GOP seem to be disputing that it was tear gas.