ScotRail, South Western Railway, Southeastern, Southern Rail, Thameslink, and Gatwick Express introduced a ban on Thursday.
(Permalink) Gatwick Express ScotRail South Western Railway Southeastern Southern Rail Thameslink eBikes eScooters

Scotrail has introduced a ban on certain electric devices on its trains including scooters and skateboards. [This was been previously announced in April.]
(Permalink) ScotRail eScooters eSkateboards