UN chief Antonio Guterres condemned the attack and called on the perpetrators to be brought to justice.
Numerous reports and local health experts have warned that Iraq's Covid-19 numbers are not genuine.
Environmental activists said on Monday that the fire, near the site of the world's worst nuclear disaster in 1986 and believed to have been started deliberately, posed a radiation risk.
The emergency service said it was still fighting the fires but the situation was "fully under control".
Officials say the death toll could climb after militants, who arrived on motorbikes and in cars, attacked a military base in the Gao region.
The resignation of Iraq's prime minister will not send protesters home as long as the political system remains intact. So what exactly is this 'system' and why do so many Iraqis blame it for their problems?
The leaked Iranian cables show that Iran has outmanoeuvred the US in Iraq, but the tragedy is that Iraqis are perpetual victims of imperialism.
Iraq's political system will continue to fail its citizens unless it undergoes deep reforms, or is overhauled completely.
A group of Chernobyl miners are hoping the renewed international attention from an HBO miniseries means their sacrifice won't be forgotten.
Four of those injured were in serious condition after an explosion at an explosives factory in Dzerzhinsk, 400 kilometres from Moscow.
Thursday's blast at the Tianjiayi Chemical plant in the city of Yancheng is one of China's worst industrial accidents in years.
The 'defeat' of Daesh will lead to a rebirth of Daesh that could make them more dangerous, and harder to fight.
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