Today's Boston Globe is reporting the fire originated in a Jag XJ8 that was at the dealership undergoing repairs due to a fire it suffered elsewhere.
19 vehicles destroyed, jags LR Jeeps and RR. Total value $750k
A friend of mine runs a land rover / range rover specialty repair shop. Based on his experience, they are capable of stopping anywhere, anytime, at any cost.
I don't know about the brakes, only their unreliability.