News in Pics, January 18: Best photos from around the world

A former senior adviser to Britain's Boris Johnson said he was willing to

Auction house Sotheby's Dubai has unveiled a diamond that's literally from out of this world. Sotheby's calls the 555.55-carat black diamond — believed to have come from outer space — “The Enigma.” Credit: Pixabay Photo

South star Dhanush on Monday announced separation from his filmmaker wife Aishwaryaa Rajinikanth after 18 years of marriage. Credit: Instagram

Chicago students return to school after City reaches deal with Teachers union. Credit: AFP Photo

Snowfall covers the city during a winter storm in Miamisburg, Ohio, US. Credit: Reuters Photo

Libya has become a key conduit for migrants making desperate bids to reach Europe since the 2011 fall of dictator Moamer Kadhafi. Many end up stranded in the country where they are prey to abuse at the hands of people-trafficking gangs, rights groups say. Credit: AFP Photo