Good morning. It's 6AM, Tuesday, 20th January. The headlines: Europe weighs its reaction to US President #Trump's tariff warnings, with #Trump affirming full implementation. The #UK considers barring under-16s from social media. Italian fashion legend #Valentino has died, aged 93. The US marks Martin Luther King Jr. Day. An ex-Trump adviser states #Greenland will retain its name. #MartinLutherKingJr #BBC #News