Dorner, 33, had several weapons including an assault rifle, said police Chief Charlie Beck, who urged him to surrender at a press conference held amid heightened security in an underground room at police headquarters.

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Thamrin Sihite, director general of minerals and coal at the Indonesian energy ministry, said workers were in the underground training room when the roof collapsed, caving in most of the room.

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The endless layout includes more than 50 bedrooms, a series of intimate drawing rooms and a regally appointed dining room with an underground passage to a separate kitchen building.

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Prosecutor Jonathan Ashley-Norman, for the Office of Rail Regulation, said there could have been a "terrible tragedy" had it not been for the "prompt and skilful actions" of London Underground staff in the control room.

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At breakfast time, I walked through the underground steam tunnels to the dining room.

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For office, read hotel room, airplane, underground, and occasionally home.

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This is no accident: the place was built from the ground up to be the best, with no expense spared, including extensive hidden underground tunnels so you never see maids or room service staff walking around the low rise, spread out property.

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Descend a path, then a ladder, then you'll find yourself in hotel room that's in a cave, 70-feet underground.

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There is about a mile of underground bottle storage here, 34, 000 square feet worth, allowing plenty of wandering room for our wine tasting on the hoof.

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