15 minutes under the hose from a fire tender before it stopped smoking??? Well those halon bottles in your hold wouldn't have been much good at cruise would they?
There have been a few examples of bags being dropped and laptop batteries being damaged and going up. As we know the only way to control a lithium battery fire is to totally immerse it in water.
Lithium battery devices in carry on only, palettes of them by land or sea only. Is it going to take another Valujet for the authorities to get their fingers out? UPS and Asiana have already lost a 744F each to these batteries