ANFO of Shijiazhuang, China, on 16 March 2001. A total of 108 people were killed, and 38 others injured when, within a short time, several ANFO bombs exploded near four apartment buildings. Improvised bombs made with agricultural-grade AN are less sensitive and less efficient than the explosive-grade variety. In November 2009, a ban on ammonium sulfate, ammonium nitrate, and calcium ammonium nitrate fertilizers was imposed in the former Malakand Division – comprising the Upper Dir, Lower Dir, Swat, Chitral and Malakand districts of the North West Frontier Province (NWFP) of Pakistan – by the NWFP government, following reports that those chemicals
Improvised explosive device during Syrian Civil War. Improvised mortar has been used by many insurgent groups including during civil war in Syria and Boko Haram insurgency. IRA used improvised mortars called barrack busters. Improvised artillery including "hell cannons" are used by rebel forces during Syrian Civil War. Command-wire improvised, explosive devices (CWIED) use an electrical firing cable that affords the user complete control over the device right up until the moment of initiation. The trigger for a radio-controlled improvised explosive device (RCIED) is controlled by radio link. The device is constructed so that the receiver is connected to an electrical firing circuit and