<p>TRINITY, Fla. (AP) — Authorities in Florida say an armed domestic violence suspect was shot and killed by a neighbor who intervened and helped the victim and several children escape the scene. Pasco County Sheriff Chris Nocco told reporters the man heard his neighbor screaming for help Wednesday and arrived to find the neighbor lowering the children out of a second-story window. He says the man helped the children and attempted to diffuse the situation, but the suspect "wasn't having anything to do with it." He says the man returned to his home, and the suspected followed and shot at him. He says the man returned fire and killed the suspect.</p>