CAIRO (Sputnik) – The coalition was formed in December 2015, amid the spread of Islamic State (ISIL) militants in Iraq and Syria.
ISIL, also known as Daesh, is a radical Sunni group prohibited in a range of states, including Russia.
Russia has been launching airstrikes against ISIL targets in Syria at the request of Syrian President Bashar Assad since late September.
A US-led international coalition, which includes Saudi Arabia, has been launching airstrikes against ISIL in Iraq and Syria since September 2014.
The Saudi-led anti-terrorism coalition formed in December has over 30 members, including Egypt, Qatar, the United Arab Emirates, Jordan, Turkey, Libya, Yemen, Malaysia, and Pakistan.