tuckey has been bombing -- turkey has been bombing i.s.i.l. targets inside syria. from washington patty culhane reports. >> reporter: as turkey turns its bomb on islamic state of iraq and levant, it's talking with the u.s. about creating an i.s.i.l.-free zone covering a 110km stretch. once established it will be a safe place for the refugees in turkey. the obama administration said it would not create a no fly zone. experts say it's unlikely there'll be enough u.s. trained syrian opposition to do it on their own. >> the opposition to bashar al-assad's regime does not have the military capacity tore someone more extreme that the terrorists would not want in that zone. and the united states are too far away and another providing that military presence. it comes down to the turkish military guaranteeing that a zone is free of i.s.i.s. >> turkey started to bomb the p.k.k. in iraq coming days after the u.s. announced it could use their base. leaving some to question if the two events are connected. >> i understand the coincidence of all of this. it is just that. the att

we have this report from istanbul, the complex landscape in tuckey is adding to tensions. >> reporter: in turkey, another attack. this time a car bomb targeted a military convoy in the south-eastern province. two soldiers were killed and another four were wounded. no group has yet claimed responsibility turkish officials believe the p.k.k. to be behind it. it's the latest jolt in a volatile 48 hours full of fun dimensional shifts in military strategy. a country that for so long has been wary of intervening in conflict, is now involved in two, bombing i.s.i.l. and syria, and the p.k.k. in northern iraq. turkish journalist said a skeptical turkish public was not prepared for this. >> there's too many questions. if i.s.i.s. is attacking us, why are we fighting the p.k.k. which is fighting i.s.i.s. in any case. on top turkey - are they strategically speaking and are they capable of fighting two wars in two countries simultaneously. >> when it comes to renewed host ilties, it's -- hostilities, it's believed both parties are to blame. >> the military have been seeking a confrontation with p