Lukashenko claims that the terrorists were going to Belarus, not Ukraine. It's only after Belarus (warned by Russia) blocked its border, than the terrorists made an u-turn to try to go to Ukraine. In normal times, the Belarus-Russia border is a lot less monitored than the Ukraine-Russia border...
There is a video of him from 2008 where he claims that a war with Ukraine would be the greatest crime a russian president could commit : https://www.dailymail.co.uk/video/russiaukraineconflict/video-2933115/Video-Kremlin-propagandist-condemns-Russia-Ukraine-war-2008-footage.html
Russia is already, by a large margin, the country with the largest natural ressources in the world. They did nothing with it outside building mansions for Putin. Now they are taking ressources from Africa and Ukraine. What will they do with it? Nothing else than making other mansions for Putin.
Mr Sachs forgets that Sweden is a member of the european union and it is a meaningful mistake, since Russia started the war precisely because Ukraine wanted to join the EU.