RT News - September 21, 2016 (12:00 MSK)

Clashes erupt in the city of Charlotte in the US after a black man is killed by police in a case of mistaken identity. The White house continues to accuse the Russian air force of hitting a humanitarian aid convoy in Syria earlier this week despite the UN saying it could not confirm the destruction was caused by airstrike. As Barrack Obama delivers his farewell speech at the UN General Assembly, RT looks at how the US leader's focus has shifted over his seven years in office.