RT News - December 17, 2016 (17:00 MSK)

Aleppo civilians start returning to their homes after the Syrian army liberates the city from militants as President Obama admits his approach to Syria has failed. Facebook pledges to track and flag so-called 'fake news' with the help of select media outlets - in what critics describe as potential censorship of alternative views. Police in Poland use force to disperse anti-government protesters blockading the country's parliament.