RT News - December 16, 2015 (17:00 MSK)

A Turkish opposition MP who alleges deadly sarin materials were smuggled to Syrian jihadists via Turkey, is reportedly investigated for treason. America's Republican presidential candidates clash over national security and the fight against Islamic State, in their final televised showdown of the year. Germany sees a sharp rise in hate crimes against asylum seekers - police say the number of such offences has doubled this year.