Unknown armed men assassinated District President of Pakistan Muslim League-N (PML-N) Aziz Imrani here on Saturday. According to media reports, District President PML-N Khuzdar, Aziz Imrani was going along his three guards on Karkh Road when some unidentified gunmen opened fire on his vehicle, killing Aziz Imrani on the occasion and injuring his three gunmen. The police have filed the case of murder against unknown armd men and started investigation.