A Pennsylvania police officer was killed and two others were wounded when gunfire broke out as they were responding to a domestic disturbance call in Lebanon on March  31, city Mayor Sherry Capello confirmed. The shooting occurred in Lebanon, about 30 miles east of Harrisburg, where officers responded to reports of a domestic disturbance just after 3:35 p.m. at the 1100 block of Forest Street, Capello told reporters in a press briefing. Gunfire broke out nearly an hour after officers responded to the disturbance, Capello said, and officers radioed in that they were hit. Of the two officers injured, one is in critical condition and the other is stable, officials said. Both are at nearby hospitals. The third officer has been pronounced dead. “At this time we are focused on the tragic loss of the officer and the well-being of the other members of our police department,” said Mayor Capello.”This is an extremely difficult moment …