The suspect in the New Orleans vehicle attack has been identified as a 42-year-old US citizen from Texas. An Islamic State flag was found in the vehicle and two improvised bombs have been made safe.

Also on the programme: Russian gas supplies to much of Europe through Ukraine have stopped, after Kyiv refused to renew a transit agreement with Moscow; and scientists have developed a new way of studying DNA in human remains that they say will change our understanding of history.

(Photo: New Orleans Police Chief Ann Kirkpatrick speaks next to Louisiana Governor Jeff Landry at a news conference. Credit: Reuters)