Six Bulgarians carried out sophisticated operations over three years, including spying on Ukrainian soldiers in Germany.
Rebel group say they will resume naval attacks against Israel if it fails to lift the blockade on Gaza within four days.
Ukrainian officials say Russian attacks hit the Donetsk and Kharkiv regions, damaging buildings and vehicles.
More than 330,000 homes lose power as Cyclone Alfred leaves devastation in parts of Queensland and New South Wales.