Rob Ford to undergo a fourth round of chemotherapy

Toronto Mayor Rob Ford will undergo a fourth round of chemotherapy next week.

His brother Doug Ford said the mayor will be back in hospital on Monday.

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The ailing mayor was diagnosed with a rare form of cancer in September.

Rob Ford, 45, ended up withdrawing from the mayoral race and running for council instead.

On election night, Ford was elected as the councillor in Ward 2 the ward he represented for a decade before he became mayor.