Sight bug top lane

While strange ward behaviour isn't new, this one surprised me a little. I placed a pink ward top lane to see an enemy jungler approaching. I made eight screenshots which show the same screen over the time of one second, alternating between the red (fog of war) sight and the blue sight. I used replay.gg to watch the replay, but I am pretty sure Lee wasn't visible in the game, too. Maybe it's a latency / server delay problem, but since the replay shouldn't suffer from that, I suppose it's just a faulty interaction of wards/fog of war.

As said above, this kind of bug surely isn't new, but in this case it really seemed like Lee Sin blinked a distance of ~three Teemos.