Turkey Mourns Victims of Reina Nightclub Attack

Police in Turkey continue their hunt for a gunman who opened fire at a well-known nightclub, killing dozens of party-goers at a New Year's party. The families of those killed have begun burying their loved ones.

Also in the programme: Pranksters in Los Angeles change the famous HOLLYWOOD sign to 'HOLLYWeeD'; an oceanographer from the Norwegian Polar Institute on the melting Arctic ice sheet.

(Image: Relatives and friends mourn at a coffin during the funeral of Ayhan Arik, one of the victims of the gun attack on the Reina nightclub in Istanbul which occurred on 1st January 2017. Credit: Burak Kara/Getty Images).