BRUSSELS: The EU said Tuesday it was “deeply concerned” about the violent repression of protests that rocked Cameroon after a disputed presidential vote and urged authorities to release all those arbitrarily detained. At least four people have been killed in the African nation since demonstrators took to the streets to protest the announcement that Paul Biya, the world’s oldest head of state, had secured an eighth term in office.

Hundreds of supporters of opposition presidential candidate Issa Tchiroma accuse Paul Biya gov't of seeking to rig vote.

An opposition candidate is challenging the incumbent president's 43-year hold on power.