A Worcester man is accused of breaking into a Whitpain Township home early Saturday morning and, along with another man, threatening the homeowner with a gun. 37-year-old Brian Walters is charged with robbery, burglary and other offenses.  Police say the men entered the Danbury Drive home through a rear door and went to the master bedroom, where the homeowner confronted them and, after a brief struggle, he chased them from the home, firing three shots with his gun.