Mokhtar Belmokhtar claimed responsibility for the seizure of dozens of foreign hostages at the In Amenas gas plant in Algeria in January in which more than 60 people were killed.
The Chadian claims of his death comes days after Chad's President Idriss Deby said soldiers in Mali had killed another leading al Qaeda commander in the Sahara, Adelhamid Abou Zeid.
French officials said they could not confirm the killing of either Abou Zeid or Belmokhtar.
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The TOWIE star said she did not get her full fee for leaving the jungle early and will donate it to a charity for starving children.
18,200 people died of the cold last year - a historical low. Energy and elderly campaigners say this figure is far too high.
Another grey day with cloudy skies, but brightening up in the afternoon with highs of 13C.