Pop star Hachalu, a member of the Oromo ethnic group, Ethiopia's largest, was shot dead by unknown attackers in Addis Ababa on Monday night, fuelling ethnic tensions.
Hachalu Hundessa, famed for his political songs, came to be seen as a voice for the Oromo people during years of anti-government protest that swept Abiy to power in 2018.
Ethiopian leadership fears that Washington might brush aside their concerns and blindly favour Egypt, a country that has been identified as the main source of the Nile River for centuries.
Somali presidential spokesman Abdinur Mohamed confirms meeting, saying "It was behind closed doors and no communique is being released. It was an ice-breaking one."
The union has experienced some success in mediating conflict but it has fallen short of its stated aims.
Authorities believe the death toll from the tragedy could increase as the scale of the accident becomes apparent.
Ethiopia's Nobel Peace Prize winning Prime Minister Abiy Ahmed introduced sweeping political and economic reforms, that have also stoked ethnic and religious tensions as regional strongmen have been emboldened to compete over influence and resources.
The satellite was designed by Chinese and Ethiopian engineers and the Chinese government paid about $6 million of the more than $7 million manufacturing costs.
Inaugurating the e-WTP with Ethiopian Prime Minister Abiy Ahmed, Chinese e-commerce tycoon Jack Ma says the trading platform will ensure "Africa can compete with Europe and America."
Amnesty International says the death toll could increase as they investigated new reports of casualties. Jawar Mohammed, a former ally of PM Abiy Ahmed, told his supporters it was "not the time to kill each other", reminding them to stay alert.
Hundreds of supporters of prominent Ethiopian activist Jawar Mohammed set up camp around his house in Addis Ababa, one day after police fired gunshots and teargas to break up demonstrations that witnessed casualties.
Soon after the end of the Najib Razak-led government, cartoonist Zulkiflee SM Anwar Ulhaque no longer faced a travel ban and the new administration dropped sedition charges against him.
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