The Washington, D.C. mayor asked for all large-scale events be canceled until after Jan. 24 following social media posts from extremists calling for a large-scale gun rally. READ MORE: https://abcn.ws/35v0syJ Subscribe to GMA's YouTube page: https://bit.ly/2Zq0dU5 Visit GMA's homepage: https://www.goodmorningamerica.com Follow GMA: TikTok: tiktok.com/@gma Facebook:facebook.com/GoodMorningAmerica Twitter: twitter.com/gma Instagram: instagram.com/goodmorningamerica Watch full episodes: abc.go.com/shows/good-morning-america hulu.tv/2YnifTH #GMA #WashingtonDC #Biden #InaugurationDay #TrumpRally