Sergeant John Sheahan at the Las Vegas Metropolitan Police Department has described the gun fight which lead up to a huge crash which killed three people on a busy junction.
He said a "rolling gun battle" preceded the crash.
More top news
The UN has said it is deeply concerned by reports hundreds of Syrian men have disappeared amid a mass exodus from rebel-held areas.
A man suspected of planning a terrorist attack has been arrested in Rotterdam after police found a loaded AK-47 in his apartment.
Another mild day with highs reaching up to 13C degrees in mild southerly winds