Notes : Workers were one of the people being held hostage at Caterpillar headquarters . Workers angry that Caterpillar propose cutting more than 700 jobs . They did not want to kill the executives but get them to negotiate , official says . A senior union executive called the hostage - taking ` ` unhelpful ''
NEW : Workers release one of five people being held hostage at Caterpillar factory . Workers angry that Caterpillar propose cutting more than 700 jobs . They did not want to harm the executives but get them to negotiate , official says . A senior Caterpillar executive called the hostage-taking `` unhelpful ''