BLAIR – Two vacant houses in King Lake, just two blocks apart, burned in the early hours this morning. One at 242nd and Laurel, the other at 242nd and Crown Point. Fire crews from Omaha, Waterloo, Boystown, Valley and Bennington fought the twin blazes around 4:30 this morning. The Nebraska Fire Marshall’s office is investigating the fires, which were reported by a passer by. No injuries were reported.