Many of the casualties occurred in the Donetsk and Luhansk regions in Ukraine's east, which are partially controlled by separatist rebels backed by Russia.

Australian officials said the restrictions, which include a ban on bauxite, is designed to curtail Russia's ability to produce aluminum — a vital ingredient in arms and munition manufacturing.

Prosecutors, who are in the early stages of the investigation, said there were no elements to suspect terrorism was behind the incident. Ten other people suffered life-threatening injuries.

Journalist Sierra Jenkins was at a restaurant and bar in Norfolk, Va., when shots rang out. She was caught in the crossfire. Three others were injured in the shooting.