A spokesman for Ken Livingstone said: "Boris Johnson lost his temper because he lost the debate - he talked about cable cars, not cutting fares and the squeeze on Londoners."
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Rob Lowe said he was "devastated" by his close friend's death.
The company is relaunching the beloved classic alongside new lines.
Once named as Britain's tallest man, the 7'7" star played Mag The Mighty in the fantasy series. He died following heart failure.