A HOSTAGE held alongside Australian Douglas Wood in Iraq has hired bounty hunters to track down his former captors, promising to eliminate them one by one. Swede Ulf Hjertstrom, who was held for several weeks with Mr Wood in Baghdad, was released by his kidnappers on May 30. Mr Hjertstrom has since claimed he shared information with US and Iraqi troops about Mr Wood which led to the release of the 63-year-old Australian engineers two weeks ago, after 47 days in captivity. Now, he wants to find those responsible. "I have now put some people to work to find these...