Engine And Ignition Wont Turn Off

[bigyin32]

hi all im having trouble my c3 deisel wont turn off and the ignition wont turn off either i habe to stall the car and dissconnect the battery its a nightmare anyone any clues

[paul.h]

Could be a faulty ignition switch.

[kfk]

agreed, sounds like the ignition switch is either seized or has overheated and melted the contacts in its base