Israel 's use of artillery shells over during Gaza offensive ` ` indiscriminate '' Human Rights Watch calls shelling ` ` ##s of fire ' '' Israel launched the offensive in late December to take on militants from Hamas , who had been shelling southern Israeli communities for months from Gaza . Israel says phosphorus shells cause an ` ` intense and persistent burn ''
Israel 's use of artillery shells over during Gaza offensive ` ` indiscriminate '' Human Rights Watch calls shelling ` ` ##s of fire ' '' Israel says phosphorus shells cause an ` ` intense and persistent burn ''