A reasonably comprehensive report on the attacks on January 29th, by "Wilayat Sinai”:
These organized and qualitative attacks targeted 10 military headquarters and bases in three different cities at the same time, including the largest headquarters of the army in Sinai, known as Battalion 101, in el-Arish. The attacks left more than 35 military personnel dead and 70 others wounded.
Link:http://www.al-monitor.com/pulse/orig...cks-army.html?