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Barack Obama arrived at African Union headquarters Tuesday, where he will become the first US president to address the 54-member continental bloc, at the end of a tour focused on corruption, rights and security. AU Commission chief Nkosazana Dlamini-Zuma hailed the "historic visit" as a "concrete step to broaden and deepen the relationship between the AU and the US". Obama's address to the AU in the Ethiopia capital Addis Ababa is at its gleaming Chinese-built headquarters -- a symbol of Beijing's growing influence in the region.
By Robin Emmott and Nick Tattersall BRUSSELS/ISTANBUL (Reuters) - NATO offered political support for Turkey's campaign against militants in Syria and Iraq at an emergency meeting on Tuesday, and President Tayyip Erdogan signaled the alliance may have a "duty" to become more involved. Turkey requested urgent consultations with its 27 NATO allies in Brussels after stepping up its role in the U.S.-led fight against Islamic State with air strikes, also hitting Kurdistan Workers Party (PKK) camps in Iraq at the weekend. "We stand in strong solidarity with our ally Turkey," NATO Secretary General Jens Stoltenberg told alliance ambassadors at the start of a meeting he called right and timely "to address instability on Turkey's doorstep and on NATO's border".