`` It also interferes with infra-red optics and weapon-tracking systems , thus protecting military forces from guided weapons such as anti-tank missiles . Israel 's use of phosphorus shells over during Gaza offensive ` ` indiscriminate '' Human Rights Watch says shelling ` ` ##s of war crimes '' Group of phosphorus shells cause an ` ` intense and persistent burn ''
Israel 's use of phosphorus shells over during Gaza offensive ` ` indiscriminate '' Human Rights Watch says shelling ` ` ##s of war crimes '' Group of phosphorus shells cause an ` ` intense and persistent burn ''