<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?mtaalamu wa maswala ya silaha za kemikali katika wapiganaji wa islamic state nchini iraq amekamatwa na vikosi maalum vya marekani na sasa anahojiwa.  <response>: a chemical weapons expert from the islamic state is group in iraq has been captured by us special forces and is being questioned, reports say. 