On October 13, two banners were hung on Sitong Bridge in Haidian, Beijing, with slogans such as "No PCR tests, we want food; no lockdown, we want freedom; strike, walk out, oust the national traitor Xi Jinping." Yellow smoke appeared at the scene, and the situation was unclear.[Chongta (Charging the Tower)][Sitong Bridge Incident][political resistance][Beijing]