Two people were critically injured in a house fire Sunday night in Toms River — one of two blazes less than a mile apart in a span of a few hours, authorities said. In the more serious of the two fires, a man and a woman were found by firefighters in a home on Mount Evererest Lane after the fire broke out around 8:45 p.m., theOcean County Prosecutor’s Office said Monday. Both occupants were flown to the burn center at Cooper Barnabas Medical Center in Livingston, officials said. Three firefighters and a police officer were treated at the scene for minor injuries. The cause and origin of the fi…