It follows reports that President Trump was outraged by comments made by Mulvaney during the Ukraine corruption saga.
The allegations of abuse of power over the Ukraine incident led to impeachment proceedings against President Trump.
Mulvaney's departure has been on the cards for the last few weeks.
Mr Mulvaney is to become US special envoy to Northern Ireland, while North Carolina lawmaker Mark Meadows has been appointed to take over his former position.
US envoy Kellogg says Ukraine peace deal is really close
US President Donald Trump's outgoing Ukraine envoy said a deal to end the Ukraine war was "really close" and now depended on resolving two main outstanding issues: the future of Ukraine's Donbas region and the Zaporizhzhia nuclear power plant.
Benin minister says armed forces foil coup attempt
Benin's interior minister said on Sunday armed forces had foiled a coup attempt after a group of soldiers in the West African nation claimed on national television to have seized power.
Bus crash kills 14, injures 34 in Algeria
Fourteen people were killed and 34 injured when a passenger bus overturned on a national highway in southern Algeria.
Fire in India’s Goa state kills at least 25
At least 25 people, including tourists, were killed in a fire at a popular entertainment facility in India’s Goa state, the state’s chief minister said on Sunday.
India caps airline fares as IndiGo crisis leaves hundreds stranded for fifth day
India capped airfares on Saturday as hundreds of passengers gathered outside Bengaluru and Mumbai airports after IndiGo cancelled 385 flights on the fifth day of a crisis at the country's biggest airline that has crippled air travel.
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UAE President Sheikh Mohamed Bin Zayed Al Nahyan’s visit to the US to boost economic and technology ties including AI.
Apple Inc. shares fell Monday after a closely followed analyst warned that demand for the firm’s new iPhone 16 Pro model has been lower than expected. Is this a sign that the AI software just isn’t ready?
Does working from home kill productivity or can it benefit staff by giving them more flexibility and a better work/life balance?
Dubai’s current population is more than double compared to almost twenty years ago, which now stands at 3.7 million. Lots of families are also moving to the UAE now. So what does it mean for the property market?
Glory Ehirim Nkiruka is Noon’s first ever female delivery driver. In her first ever interview, she explained why she loves her job, despite the heat!
