Russia and Ukraine accuse each other of hacking their emergency alert apps, with people receiving false warnings of a possible threat. Al Jazeera’s Audrey MacAlpine explains what happened in Kyiv, Ukraine. #Ukraine #Russia #UkraineWar #CyberAttack #Hacking #FakeAlert #NuclearAlert #Kherson #Kyiv #Moscow #AirRaid #Disinformation #RussiaUkraineWar #Ceasefire #AlJazeeraEnglish.