As many as 150 Pakistani parliamentarians have received anonymous SMS messages that threatens they will be killed if they don't quit, Interior Minister Rehman Malik said.
http://ummid.com/news/2011/November/20.11.2011/quit_sms-to_pak_mps.htm
http://ummid.com/news/2011/November/20.11.2011/quit_sms-to_pak_mps.htm