Hmm, Iran actively supports ~100 Shiite terror groups in Syria and Iraq. If you speak Arabic, here is an article in Al-Hayat.
http://www.alhayat.com/Articles/9542195/
And of course Hezbollah in Lebanon.
http://www.alhayat.com/Articles/9542195/
And of course Hezbollah in Lebanon.
Not sure if you speak arabic or if you're from the middle east but hate for Shiites from Sunnis are more extreme than their hate for Israel -- in fact many clerics actively ask for genocide against them.