Much has been said about photographs showing Pantsir-S1 systems on the rooftops of buildings in Moscow's city center. Now there's evidence of S-400 systems being employed for similar defense purposes.

A residential building caught fire in Moscow ... with 2 Ka-32 helicopters from the Moscow Aviation Center dispatched," the Emergencies Ministry reported. A photo of the fire being extinguished ...

while another drone hit a building under construction in the Moscow City financial district. The third drone was jammed by radio-electronic warfare devices and crashed in the Moscow suburb of Khimki.