One Romanian passenger was killed , and 14 others were injured on Thursday when a Romanian-registered bus collided with a Bulgarian one in northern Bulgaria , police said .
<response> One <misc>Romanian</misc> passenger was killed , and 14 others were injured on Thursday when a <misc>Romanian-registered</misc> bus collided with a <misc>Bulgarian</misc> one in northern <location>Bulgaria</location> , police said . </response>