kṣepaṇaiḥ prahitā iva

pravavuh-were blowing; vayavah-winds; candah-fierce; tamah-darkness; pamsavam-caused by dust; airayan-were spreading; digbhyah-from every direction; nipetuh-came down; gravanah-stones; ksepanaih-by machine guns; prahitah-thrown; iva-as if.