At least 170 children and women were beheaded by Islamic State (Isis) militants in the last one year, according to a UK-based rights group. 

A report published by the Syrian Observatory for Human Rights (SOHR) stated that since 29 June, 2014 after Isis announced its Caliphate in Syria, a total of 3,065 people were executed by the Sunni group.

SOHR requesting the UN to urgently look into the Syria situation, stating that a total of 1,809 civilians were executed by Isis in the last one year.

Several of the victims were shot to death, beheaded, stoned, thrown off high buildings and burned alive in provinces of Damascus, Rif Dimashq, Deir Ezzor, al- Raqqa, al- Hasakah, Aleppo, Homa and Hama.

SOHR also noted that 143 Isis fighters were executed by the radical group on charges of spying. The rights group but stated in several cases, the fighters, who tried to return back home were accused of being spies and executed.

The most talked-about about such an instance involved the execution of the two-time Thai kickboxing world champion, Valdet Gashi, a German national who was reported to have killed in Syria earlier this month.

Reports later found that Gashi was arrested by Isis trying to return back home and killed by Isis.

The SOHR report also found that Isis also executed a total of 888 officers and soldiers from President Bashar al-Assad's army. The soldiers were captured by Isis during clashes.