RT News - January 21, 2018 (17:00 MSK)

After intense air bombardment, Turkey now starts a ground incursion into Kurdish-held Syrian territory. The assault follows a now-retracted announcement by the U.S., that it would set up a Kurdish border force - something that enraged Ankara. Olympic peace North and South Korea reach a breakthrough deal, to march and compete under one flag at the upcoming Winter Games but that's as Western leaders decide it's time to up the ante against Pyongyang. RT went underground after reports drug-related crimes are running out of control on the Paris metro. The city's transport union says some train drivers are now refusing to stop at certain stations.