Islamic State group behind Istanbul nightclub attack

The Islamic State group has claimed responsibilitiy for attack on a popular Istanbul nightclub during New Year's celebrations, according to media reports.

Authorities believe that the gunman, who killed 39 people, most of them foreigners, comes from a Central Asian nation and is likely to be either from Uzbekistan or Kyrgyzstan, the pro-government Karar and the mainstream Hurriyet newspapers reported, citing unnamed security sources.