Top 10 worst mutual hostility among muslims

In the calculations the whole histories’ affect towards modern days is calculated (all big muslim mutual hostilities did had a big affect).

1. Shia Iran vs. Sunnis.
2. Islamic State vs. other muslims.
3. Gulenist movement vs. other Turkish movements.
4. Salafis vs. non-salafis.
5. Shia Houthi vs. sunni Yemen.
6. Hizb ut-Tahrir vs. non-Hizb ut-Tahriris.
7. Hezbollah vs. sunni Lebanese.
8. Sudan civil war (mixed against each other).
9. Syrian civil war (others, mixed).
10. Conflicts of criminal Moroccan muslims.