On server EU_DE 4313 (Persistence ON) IP: 195.82.158.113
I noticed a player spawned near me, was running extremly fast around me, cutting bushes in seconds. It was really fast, at least 10 times faster than normal movement speed, he circled around me few times, then he ran away when Ii was looking at him.
around 13:00 (GMT+1), half an hour ago