A manipulated video of Ukrainian President Volodymyr Zelensky calling on his soldiers to surrender is being shared online, with Russian hackers thought to be responsible. The deep fake video shows Zelensky asking Ukrainians to “lay down their arms” and was uploaded to the hacked Ukraine 24 TV channel, according to Shayan Sardarizadeh, a journalist who works on the spread of disinformation at BBC Monitoring. It’s day 21 of Russia-Ukraine war. A terrible deepfake of President Zelensky calling on Ukrainian troops to lay down their arms has been uploaded to the hacked website of Ukraine’s 24 TV ch…