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Turkey's disaster and emergency management authority says the death toll in the country is now 17,134.

In Syria, at least 3,162 people are known to have died.

Ben Bacon analysed 20,000-year-old markings on the drawings, concluding they could refer to a lunar calendar.

BBC reports it led to a specialist team proving early Europeans made notes about the timing of animals' reproductive cycles.

Bacon said it was "surreal" to work out for the first time what hunter-gatherers were saying.

Cave paintings of animals such as reindeer, fish and cattle have been found in caves across Europe.