One site:
http://www.jihadwatch.org/
There is a Voice of the Martyrs group --- I don't know if they have a web page. The following links give information about that group and what is going on in the Sudan.
http://www.thebibleleague.ca/persecutionsSUDAN.htm
http://www.ecatholic2000.com/sj/persec.shtml
http://www.biblevoice.org/sect10
Thank you!