The United States has begun using attack helicopters to target the Islamic State group in the jihadists’ Libyan former stronghold of Sirte, a defence official said on Tuesday. American jets have since the start of August been helping fighters loyal to the Government of National Accord (GNA) retake the coastal …

US Secretary of State John Kerry on Tuesday congratulated Nigeria on its recent military successes against Boko Haram, but warned the country will face a blowback if it “cracks down” on the Islamists with excessive force. Speaking at a press conference in the northern city of Sokoto, Kerry praised Nigeria …

Secretary General Ban Ki-moon has appointed a retired Dutch general to lead an independent investigation into allegations that UN peacekeepers did not take action to prevent multiple cases of abuse and sexual violence against civilians and foreigners in South Sudan’s capital in July.