Ethiopian Prime Minister Abiy Ahmed says he is launching the "final phase" of the army's operation in Tigray with an attack on the regional capital, Mekelle.
The UK parliament has voted in favour of the government considering imposing sanctions on Nigerian officials involved in the alleged excessive use of force on peaceful protesters during last month’s anti-police brutality demonstrations.
The coronavirus vaccine developed by the University of Oxford is highly effective at stopping people developing Covid-19 symptoms, a large trial shows.
There have been more than 55 million cases of the virus confirmed around the world and more than 1.3 million deaths. Many hopes are pinned on a vaccine as a solution. But there are concerns that poorer nations could get left behind.
Donald Trump has had a fresh setback in his bid to overturn his loss in the US election as Michigan lawmakers indicated they would not seek to undo Joe Biden's projected win in the state.
US President-elect Joe Biden's victory in Georgia has been confirmed by a recount, as legal efforts by Donald Trump's allies to challenge his defeat were dismissed in three states.
