Completely incorrect. The different between comprehensive and third party fire and theft is that comprehensive provides for accidental damage to your own vehicle.
Injury to drivers is covered under certain policies that may include personal accident cover but it is not the norm. The reason being that if you crash a car and it is due to your own negligence, why would you expect to be covered for your own error/stupidity. If another party is to blame, then you proceed with your claim against them for your injuries.