Obama to end week-long trip to Europe today
Barack Obama is due to end his first overseas trip as US President today.
Mr Obama has attended a series of engagements in Europe over the past week, including the G20 summit in London, a NATO meeting in Strasbourg and a conference of EU leaders in Prague.
He is currently in Turkey, where he has been seeking to reach out a hand to the Islamic world.
Mr Obama is due to head back to the US this afternoon after visiting two of Istanbul's most historic buildings, the Blue Mosque and the Hagia Sophia Church.