do think this situation could defend into a civil war -- desce nd into a civil war.spondent: it is very hard to predict and it would be irresponsible to predict. if iraqi forces move into further disputed regions, we might see more sporadic clashes. there could be intra-kurdish clashes in the kurdistan region between the forces that withdrew and the ones that chose to fight. let's hope this dive down and it was a -- this dies down and it was a temporary problem. the city is back under control it had before isis moved in. brent: the kurdish and iraqi forces fight together in the campaign against islamic state. what implications will this offensive have for the fight against terrorism? correspondent: i spoke to a major in the iraqi counterterrorism forces and he was in the central offices in kirkuk. these are the forces are taking i -- partaking in the fight against isis in mosul. this creates a headache for the americans. the u.s. coalition have armed and trained both sides of this conflict. there is a question about misuse of weapons supplied by the americans. defini