<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.mwakilishi maalum wa umoja wa mataifa kwa yemen, ismail ould cheikh ahmed, alikaribisha leo jumatatu utaratibu wa kusitisha mapigano ambayo yamekuwepo zaidi ya mwaka mmoja akisema huu ni wakati wa kusafisha yaliyopita.  <response>: the u.n.s envoy for yemen, ismail ould cheikh ahmed, welcomed monday the cessation of hostilities that halted more than a year of fighting, saying now is the time to step back from the brink. 