homes. ed: to concord, new hampshire where a construction worker was killed at a site. 45-year-old brian sullivan, of pittsfield was struck by a piece of equipment while working on driveway yesterday. sullivan was working for william young excavating site work, a company based in bow. osha is now investigating the incident. an ayer man is under arrest in littleton accused of driving heather: police say they spotted timothy walsh on the side of ayer road facing the wrong way after getting reports of an erratic driver. when he tried to re-enter the road, he allegedly hit the cruiser. both walsh and the officer were taken to the hospital for evaluation and released. time now to flash forward to 5:00 on newscenter 5. ed: 5 investigates, tonight -- thousands of gas leaks, some potentially explosive costing ratepayers millions. are the gas companies doing enough to protect you? 6:00: final salute. a korean war p.o.w. laid to rest here, at home. the decades-long journey to bring him...