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Raqqa, Syria - Oct 7, 2017
1. Various of Yazidi fighters walking in rubbles
2. Yazidi fighter entering room
3. Yazidi fighters having rest
4. Various of Yazidi fighters looking at mobile phone
5. Various of characters on wall
6. Flag of YBS
7. SOUNDBITE (Kurdish) Farzat Sordar, Yazidi fighter, YBS:
"I didn't come only for my aunt. There are hundreds of mothers who were captured by IS, not only my aunt. If I can, I will liberate them all."
8. Various of female Yazidi fighter standing on guard
9. City view

Raqqa, Syria - Oct 6, 2017
10. Various of Jianda, Yazidi female fighter of YJS patrolling
11. Yazidi fighters walking upstairs
12. SOUNDBITE (Kurdish) Jianda, Yazidi female fighter, YJS:
"It happened before. Islamic State fighters came to us dressed in civilian clothes. But we just arrested them, and handed them over to the authorities."
13. Various of YPG commander briefing Jianda on latest IS movements

Many Yazidi fighters are taking part in the Raqqa battle in Syria in revenge of IS violence against their people.

The Syrian Democratic Forces fighting Islamic State militants in Raqqa are made up of groups from all over northern Syria, mainly under the control of the YPG, the Kurdish Peoples Protection Units. But one small group comes from Mount Shinjar in Northern Iraq.

The Yazidis were targeted by IS in 2014 as the militant group tried to force all non-muslims out of areas around Mosul. Thousands of Yazidis were murdered, and more kidnapped.

But the Yazidis are now fighting back against the IS militants. These Yazidi fighters have come all the way from Shingal in Iraq because they say they want to defeat the Islamic state and take revenge for the massacres in 2014, and they won't stop until the Islamic State is defeated.

After IS overran Mosul, they moved on to Mount Shingal, home of the Yazidis, a small but unique ethnic group of non-muslims living in the area.

In the ensuing massacre, an estimated 5,000 Yazidis were murdered. And between 5,000 to 7,000 Yazidi women and children were kidnapped by the militants as slaves. That is the motivation for these men to fight.

Farzat lost his Aunt and her four children and came to Raqqa to find them. Despite no contact for three years, they were freed last week in Raqqa.

His Aunt didn't recognize him at first, traumatized by her ordeal.

But while she and her kids are now safely back home, he fights on.

"I didn't come only for my aunt. There are hundreds of mothers who were captured by IS, not only my aunt. If I can, I will liberate them all," said Farzat Sordar, a Yazidi fighter of Sinjar Resistance Units (YBS) - a Yazidi armed group.

On the outskirts of Raqqa, a female Yazidi fighter was standing on guard.

One of their group was an IS slave, who was bought and sold between IS fighters.

The fighters say they have all lost family members and friends.

Eighteen-year-old Jianda's little sister died when IS attacked mount Shinjar. Now she has trained as a sniper, and came to fight with her parents blessing.

But she says vengeance is about justice, not about blood.

"It happened before. Islamic State fighters came to us dressed in civilian clothes. But we just arrested them, and handed them over to the authorities," said Jianda, Yazidi female fighter of Sinjar Women's Protection Units (YJS).

Jianda says she won't go home, until the Islamic State is destroyed.