Russia and Iran will speed up work on a "major new interstate agreement", the Russian foreign ministry said on Tuesday. -snip- Iran is the main backer of Israel's enemy Hamas. Israeli Prime Minister Benjamin Netanyahu spoke by phone with Putin on Sunday and voiced "robust disapproval" of Russia's "dangerous" cooperation with Iran. Iranian authorities have said military cooperation with Russia is expanding day by day. Iran said last month it had finalised arrangements for Russia to provide it with Su-35 fighter jets, Mi-28 attack helicopters and Yak-130 pilot training aircraft.