Around 4 million people have been killed in Syria for six years

The battle for the London-based Syrian Observatory for Human Rights said Syrian observer.Six years ago, the protests against President Bashar al-Assad, sources in the civil war. Later, the regional power struggle takes the form of civil war. This opportunity gosthi extremist Islamic State (IS) in Syria has occupied a large area. As a result, the region's biggest refugee crisis since World War II occurred.The Syrian Observatory for Human Rights said, after the outbreak of civil war, they are far from 1 to 3 million people have been killed and 1 million 45 thousand thousand people went missing data, they have to register. 96 of the victims are civilians.