755K views · 4.3K reactions | The war in Syria has been taking place for seven years. Watch this visual explainer of who is fighting and why. | BBC News | Facebook

The Russian military intervention in the Syrian Civil War began in September 2015 after an official request by the Syrian government for military help against rebel and jihadist groups The intervention initially consisted of air strikes fired by Russian aircraft stationed in the Khmeimim base at targets primarily in north-western Syria, against militant groups opposed to the Syrian government, including Syrian National Coalition, the Islamic State of Iraq and the Levant (ISIL), al-Nusra Front (a