International Committee of the Red Cross, War & Law provides articles, statements and reports on topics like: Current Debates on IHL (which includes subtopic: New Technologies & IHL). See also ICRC's Humanitarian Law & Policy blog.
United Nations Office for the Coordination of Humanitarian Affairs tab: Top Stories categorizes news by country, theme and event.
FindLaw Legal News, War in Iraq News Articles
Highly useful overview of applicable law:
Judge Evan Wallach, Interactive Outline of the Law of War
This blog also provides helpful links to court/journal/military websites and selected documents for military justice research.