Chinese oil workers released after six days in captivity.
“The culprit is none other than a member of the ONLF which is supported by Eritrea,” Bereket Simon, senior Ethiopian government official, said.
An spokesman for the ONLF, which demands self-determination for the largely Somali region of Ogaden, denied involvement.
“Our policy is not to attack civilian targets or Jijiga,” Adurahmin Mohammed Mahdi, who is based in London, told Reuters news agency. “The ONLF attacks military targets only.”