The pipeline attack halted oil production , and crews worked to fix it . Yemen crude oil exports are the mainstay of the impoverished country 's economy . Comment: Experts fear a weakened economy could lead to more political turmoil .
The pipeline attack halted oil production , and crews worked to fix it . Yemen crude oil exports are the mainstay of the impoverished country 's economy . The government fears militants may try vandalize pipelines to cause economic instability . Experts fear a weakened economy could lead to more political turmoil .