Fresh calls are being made for tougher action on illegal e-bikes
Fresh calls are being made for tougher action on illegal e-bikes - to help improve safety and tackle other issues.
20 have been seized by West Yorkshire Police in the last year - a slight drop on the previous annual total.
Campaigners want bans on unsafe sales and stricter controls.
The government says it's already boosted police powers - and it's reviewing further changes.