Particularly Buddhists are being targeted. You can browse the sites at this search:
http://www.bing.com/search?q=islamic+terrorism+persecution+thailand&qs=n&form=QBRE&pq=islamic+terrorism+persecution+thailand&sc=0-0&sp=-1&sk=
Don't let this EXTREMELY GRAPHIC PAGE from Bare Naked Islam catch you by surprise as it did me when I was introduced to Islamic terrorism and persecution in Thailand.
I highly recommend avoiding this URL in that search.
http://www.barenakedislam.com/2013/01/05/thailand-muslim-behaving-badly-when-they-dont-get-their-way/
Here's another from their site on Islam in Thailand that is less graphic:
http://www.barenakedislam.com/2012/03/31/muslim-terrorists-set-off-bombs-in-southern-thailand-killing-14-wounding-341/