TEHRAN (Reuters) - Iran said on Sunday it had reinforced its border security after Turkey launched an offensive in north Iraq against Kurdish rebels, a move an analyst said was likely aimed at stopping rebels hiding in Iran. Iranian forces have also often clashed in Iraqi border areas with rebels from the Party of Free Life of Kurdistan (PJAK), an offshoot of the PKK and which analysts say has bases in northeastern Iraq from where they operate against Iran. "Necessary measures have already been taken to reinforce our borders," Foreign Ministry spokesman Mohammad Ali Hosseini told a weekly news conference....
